diff --git a/apps/server/package.json b/apps/server/package.json
index 2bd59e7..1140793 100644
--- a/apps/server/package.json
+++ b/apps/server/package.json
@@ -6,7 +6,7 @@
   "scripts": {
     "dev": "node --env-file=../../.env --import tsx --watch src/index.ts",
     "typecheck": "tsc -p tsconfig.json",
-    "test": "node --import tsx --test src/app.test.ts src/config/env-schema.test.ts src/infrastructure/http/http-error-diagnostic.test.ts && DB_NAME=metis_desk_test NODE_ENV=test node --env-file=../../.env --import tsx --test --test-concurrency=1 src/asset-inventory.integration.test.ts src/sites.integration.test.ts src/identity.test.ts",
+    "test": "node --import tsx --test src/app.test.ts src/infrastructure.http.test.ts src/config/env-schema.test.ts src/infrastructure/http/http-error-diagnostic.test.ts && DB_NAME=metis_desk_test NODE_ENV=test node --env-file=../../.env --import tsx --test --test-concurrency=1 src/asset-inventory.integration.test.ts src/infrastructure-inventory.integration.test.ts src/sites.integration.test.ts src/identity.test.ts",
     "build": "tsup --config tsup.config.ts",
     "start": "node --env-file=../../.env dist/index.js"
   },
diff --git a/apps/server/src/infrastructure-inventory.integration.test.ts b/apps/server/src/infrastructure-inventory.integration.test.ts
new file mode 100644
index 0000000..c7c7eb4
--- /dev/null
+++ b/apps/server/src/infrastructure-inventory.integration.test.ts
@@ -0,0 +1,158 @@
+import assert from "node:assert/strict";
+import { test } from "node:test";
+
+import { QueryTypes } from "sequelize";
+import { z } from "zod/v4";
+
+import { InfrastructureRevision } from "../../../modules/assets/src/api/domain/infrastructure-revision.entity";
+import { InfrastructureValues } from "../../../modules/assets/src/api/domain/value-objects/infrastructure-values.vo";
+import { writeAssetRow } from "../../../modules/assets/src/api/infrastructure/persistence/asset-relational-sql";
+import {
+  AddressRowSchema,
+  InfrastructurePersistenceMapper,
+  InfrastructureRevisionRowSchema,
+  InfrastructureRoleRowSchema,
+  InterfaceRowSchema,
+} from "../../../modules/assets/src/api/infrastructure/persistence/infrastructure-persistence.mapper";
+import { removeAssetInfrastructure } from "../../../modules/assets/src/api/infrastructure/persistence/remove-asset-infrastructure";
+import { writeInfrastructureRevision } from "../../../modules/assets/src/api/infrastructure/persistence/write-infrastructure-revision";
+import { UniqueID } from "../../../packages/rdx-ddd/src/index";
+
+import { createDatabase, readDatabaseEnvironment } from "./config/database";
+
+const TABLES = {
+  asset_infrastructure: "id CHAR(36) PRIMARY KEY,companyId CHAR(36),assetId CHAR(36)",
+  asset_infrastructure_revisions:
+    "id CHAR(36) PRIMARY KEY,infrastructureId CHAR(36),actorId CHAR(36),recordedAt VARCHAR(30),position INT",
+  asset_infrastructure_roles: "revisionId CHAR(36),role VARCHAR(30),PRIMARY KEY(revisionId,role)",
+  asset_interface_snapshots:
+    "revisionId CHAR(36),id CHAR(36),name VARCHAR(100),kind VARCHAR(12),mac VARCHAR(17),notes TEXT,position INT,PRIMARY KEY(revisionId,id)",
+  asset_interface_address_snapshots:
+    "revisionId CHAR(36),id CHAR(36),interfaceId CHAR(36),address VARCHAR(45),position INT,PRIMARY KEY(revisionId,id)",
+};
+
+test("MariaDB: interfaces y direcciones conservan identidad e historial al cambiar la IP", async () => {
+  const environment = readDatabaseEnvironment(process.env);
+
+  assert.equal(environment.NODE_ENV, "test");
+  assert.equal(environment.DB_NAME, "metis_desk_test");
+  const database = createDatabase(environment);
+
+  try {
+    await database.transaction(async (transaction) => {
+      const createdTables: string[] = [];
+
+      try {
+        for (const [table, columns] of Object.entries(TABLES)) {
+          await database.query(`CREATE TEMPORARY TABLE ${table} (${columns})`, { transaction });
+          createdTables.push(table);
+        }
+        const root = {
+          id: UniqueID.generateNewID().toPrimitive(),
+          companyId: UniqueID.generateNewID().toPrimitive(),
+          assetId: UniqueID.generateNewID().toPrimitive(),
+        };
+
+        await writeAssetRow(database, "asset_infrastructure", root, transaction);
+        const actor = UniqueID.generateNewID();
+        const values = InfrastructureValues.create({
+          roles: ["shared_peripheral"],
+          interfaces: [
+            {
+              name: "Ethernet",
+              kind: "ethernet",
+              mac: "aa-bb-cc-dd-ee-ff",
+              notes: "Conservar",
+              addresses: [{ address: "192.168.5.201" }, { address: "2001:db8::1" }],
+            },
+            { name: "Wi-Fi", kind: "wifi", mac: "", notes: "", addresses: [] },
+          ],
+        });
+
+        assert.ok(values.isSuccess);
+        const first = InfrastructureRevision.create({
+          values: values.data,
+          actorId: actor,
+          recordedAt: "2026-10-17T10:00:00.000Z",
+        });
+
+        await writeInfrastructureRevision(database, root.id, first, 0, transaction);
+        const draft = values.data.toPrimitive();
+        const iface = draft.interfaces[0];
+
+        assert.ok(iface);
+        const address = iface.addresses[0];
+
+        assert.ok(address);
+        address.address = "192.168.5.202";
+        const changed = InfrastructureValues.create(draft, values.data);
+
+        assert.ok(changed.isSuccess);
+        const second = InfrastructureRevision.create({
+          values: changed.data,
+          actorId: actor,
+          recordedAt: "2026-10-17T11:00:00.000Z",
+        });
+
+        await writeInfrastructureRevision(database, root.id, second, 1, transaction);
+
+        const read = (table: string) =>
+          database.query(`SELECT * FROM ${table}`, { type: QueryTypes.SELECT, transaction });
+
+        const revisions = z
+          .array(InfrastructureRevisionRowSchema)
+          .parse(await read("asset_infrastructure_revisions"));
+        const roles = z
+          .array(InfrastructureRoleRowSchema)
+          .parse(await read("asset_infrastructure_roles"));
+        const interfaces = z
+          .array(InterfaceRowSchema)
+          .parse(await read("asset_interface_snapshots"));
+        const addresses = z
+          .array(AddressRowSchema)
+          .parse(await read("asset_interface_address_snapshots"));
+        const restored = new InfrastructurePersistenceMapper().toDomain(
+          root,
+          revisions,
+          roles,
+          interfaces,
+          addresses
+        );
+
+        assert.deepEqual(restored.values.toPrimitive(), changed.data.toPrimitive());
+        assert.deepEqual(restored.history[0]?.values.toPrimitive(), values.data.toPrimitive());
+        assert.equal(restored.history.length, 2);
+        assert.equal(restored.values.toPrimitive().interfaces[0]?.id, iface.id);
+        assert.equal(restored.values.toPrimitive().interfaces[0]?.addresses[0]?.id, address.id);
+        const corrupt = revisions.map((row, index) => ({ ...row, position: index + 2 }));
+
+        assert.throws(
+          () =>
+            new InfrastructurePersistenceMapper().toDomain(
+              root,
+              corrupt,
+              roles,
+              interfaces,
+              addresses
+            ),
+          /Secuencia/
+        );
+        await removeAssetInfrastructure(database, root.companyId, root.assetId, transaction);
+        for (const table of Object.keys(TABLES)) {
+          const remaining = await database.query(`SELECT 1 FROM ${table}`, {
+            type: QueryTypes.SELECT,
+            transaction,
+          });
+
+          assert.equal(remaining.length, 0);
+        }
+      } finally {
+        for (const table of createdTables.reverse()) {
+          await database.query(`DROP TEMPORARY TABLE ${table}`, { transaction });
+        }
+      }
+    });
+  } finally {
+    await database.close();
+  }
+});
diff --git a/apps/server/src/infrastructure.http.test.ts b/apps/server/src/infrastructure.http.test.ts
new file mode 100644
index 0000000..f75161a
--- /dev/null
+++ b/apps/server/src/infrastructure.http.test.ts
@@ -0,0 +1,159 @@
+import assert from "node:assert/strict";
+import { once } from "node:events";
+import { test } from "node:test";
+
+import express from "express";
+
+import type { IInfrastructureRepository } from "../../../modules/assets/src/api/application/infrastructure.repository";
+import { InfrastructureUseCases } from "../../../modules/assets/src/api/application/infrastructure.use-cases";
+import { AssetCatalogError } from "../../../modules/assets/src/api/domain/asset-definition";
+import type { AssetInfrastructure } from "../../../modules/assets/src/api/domain/asset-infrastructure.aggregate";
+import { registerInfrastructureRoutes } from "../../../modules/assets/src/api/infrastructure/http/infrastructure.routes";
+import {
+  InfrastructureResponseSchema,
+  SavedInfrastructureResponseSchema,
+} from "../../../modules/assets/src/common/infrastructure";
+import { UniqueID } from "../../../packages/rdx-ddd/src/index";
+import { Result } from "../../../packages/rdx-utils/src/index";
+
+// Repositorio en memoria: el servidor HTTP, los contratos y el dominio son reales.
+test("HTTP infraestructura: sesión, pertenencia, validación, identidad e idempotencia", async () => {
+  const company = UniqueID.generateNewID();
+  const asset = UniqueID.generateNewID();
+  const actor = UniqueID.generateNewID();
+  let current: AssetInfrastructure | undefined;
+  const actorNames = new Map([[actor.toPrimitive(), "Técnico"]]);
+  const repository: IInfrastructureRepository = {
+    get: async (id) =>
+      id.equals(company)
+        ? Result.ok({ items: current ? [current] : [], actorNames })
+        : Result.fail(new AssetCatalogError("COMPANY_NOT_FOUND")),
+    save: async (id, assetId, change) => {
+      if (!(id.equals(company) && assetId.equals(asset))) {
+        return Result.fail(new AssetCatalogError("ASSET_NOT_FOUND"));
+      }
+      const changed = change(current);
+
+      if (!changed.isSuccess) {
+        return Result.fail(changed.error);
+      }
+      current = changed.data;
+
+      return Result.ok({ item: current, actorNames });
+    },
+  };
+  const app = express();
+
+  app.use(express.json());
+  registerInfrastructureRoutes(
+    app,
+    new InfrastructureUseCases(repository),
+    (request, response, next) => {
+      if (request.get("authorization") !== "test") {
+        response.status(401).json({ code: "UNAUTHENTICATED" });
+
+        return;
+      }
+      Object.defineProperty(request, "session", { value: { userId: actor.toPrimitive() } });
+      next();
+    }
+  );
+  const server = app.listen(0, "127.0.0.1");
+
+  await once(server, "listening");
+  const address = server.address();
+
+  assert.ok(address && typeof address !== "string");
+  const base = `http://127.0.0.1:${address.port}/api/asset-infrastructure`;
+
+  const request = (path: string, body?: unknown) =>
+    fetch(`${base}/${path}`, {
+      headers: { authorization: "test", "content-type": "application/json" },
+      ...(body ? { method: "POST", body: JSON.stringify(body) } : {}),
+      signal: AbortSignal.timeout(10000),
+    });
+
+  try {
+    assert.equal(
+      (await fetch(`${base}/${company.toPrimitive()}`, { signal: AbortSignal.timeout(10000) }))
+        .status,
+      401
+    );
+    const empty = await request(company.toPrimitive());
+
+    assert.equal(empty.status, 200);
+    assert.deepEqual(InfrastructureResponseSchema.parse(await empty.json()).items, []);
+    const path = `${company.toPrimitive()}/${asset.toPrimitive()}`;
+    const input = {
+      roles: ["shared_peripheral"],
+      interfaces: [
+        {
+          name: "Ethernet",
+          kind: "ethernet",
+          mac: "",
+          notes: "",
+          addresses: [{ address: "192.168.5.201" }],
+        },
+        { name: "Wi-Fi", kind: "wifi", mac: "", notes: "", addresses: [] },
+      ],
+    };
+
+    for (const expected of [1, 1]) {
+      const saved = await request(path, { values: input });
+
+      assert.equal(saved.status, 200);
+      const item = SavedInfrastructureResponseSchema.parse(await saved.json()).item;
+
+      assert.equal(item.history.length, expected);
+      assert.equal(item.history[0]?.actorId, actor.toPrimitive());
+      assert.equal(item.values.interfaces[0]?.addresses[0]?.address, "192.168.5.201");
+    }
+    assert.equal(
+      (await request(path, { values: { ...input, companyId: company.toPrimitive() } })).status,
+      400
+    );
+    assert.equal((await request(`${path}?unexpected=1`, { values: input })).status, 400);
+    assert.equal(
+      (
+        await request(path, {
+          values: {
+            ...input,
+            interfaces: [{ ...input.interfaces[0], addresses: [{ address: "invalid" }] }],
+          },
+        })
+      ).status,
+      400
+    );
+    assert.equal(
+      (
+        await request(`${UniqueID.generateNewID().toPrimitive()}/${asset.toPrimitive()}`, {
+          values: input,
+        })
+      ).status,
+      404
+    );
+    assert.equal(
+      (
+        await request(`${company.toPrimitive()}/${UniqueID.generateNewID().toPrimitive()}`, {
+          values: input,
+        })
+      ).status,
+      404
+    );
+    const restored = await request(company.toPrimitive());
+    const items = InfrastructureResponseSchema.parse(await restored.json()).items;
+
+    assert.equal(items.length, 1);
+    assert.equal(items[0]?.history.length, 1);
+  } finally {
+    await new Promise<void>((resolve, reject) =>
+      server.close((error) => {
+        if (error) {
+          reject(error);
+        } else {
+          resolve();
+        }
+      })
+    );
+  }
+});
diff --git a/docs/auditoria-de-infraestructura-informatica.md b/docs/auditoria-de-infraestructura-informatica.md
new file mode 100644
index 0000000..6847278
--- /dev/null
+++ b/docs/auditoria-de-infraestructura-informatica.md
@@ -0,0 +1,383 @@
+# Auditoría de infraestructura informática y propuesta para Metis Desk
+
+Fecha: 17 de octubre de 2026. Estado: propuesta revisada con el alcance funcional
+acordado. El núcleo de la primera entrega está descrito en
+[Infraestructura informática](infraestructura-informatica.md); los casos adicionales
+se mantienen como ampliaciones posteriores.
+
+## Resultado y límite acordado
+
+Metis Desk debe ofrecer un inventario con conexiones entre equipos, interfaces y
+sus direcciones IP, y una consulta de dónde se utiliza cada activo. Se conservan
+las plantillas, los activos, los puestos, los perfiles y las relaciones existentes.
+La vista Infraestructura reúne esa información por compañía.
+
+Ejemplo del nivel requerido: «La impresora XXX está conectada al switch 1 y se utiliza
+en A1, A2, A5 y P1». Si dispone de Ethernet y Wi-Fi, se registran ambas interfaces
+con sus respectivas direcciones, sin exigir que ambas estén configuradas o en uso.
+
+El controlador UniFi ya proporciona al usuario el detalle de su infraestructura de
+red. Por tanto, la propuesta de Metis Desk no incluye puertos numerados de switches,
+cables, rosetas, ocupación de conectores, VLAN, subredes, tablas de rutas, IPAM avanzado
+ni monitorización o descubrimiento automático. Tampoco exige sincronizar UniFi para
+poder registrar los datos básicos. Una integración futura requeriría un alcance propio.
+
+Las interfaces se registran para identificar el medio y sus IP. No representan un
+inventario exhaustivo de todos los conectores de un switch. La información detallada
+de red permanece en UniFi; Metis Desk mantiene la información de equipos y uso necesaria
+para el soporte, sin prometer que ambos sistemas estén sincronizados.
+
+## Alcance y método de la auditoría
+
+Revisión de código y documentación activa del repositorio y auditoría documental de
+seis productos. Se han consultado fuentes oficiales; no se han instalado ni probado
+sus interfaces. La comparación analiza modelos funcionales, no precios, rendimiento
+ni disponibilidad comercial de cada función en todas las ediciones. Las conclusiones
+para Metis Desk son recomendaciones propias, diferenciadas de lo documentado por los proveedores.
+
+La comparación de mercado se conserva como referencia. Que una herramienta gestione
+puertos o VLAN no convierte esas capacidades en requisitos para Metis Desk.
+
+No se ha explorado la red de Abeto Design ni modificado su inventario. Este documento
+no acredita conexiones o instalaciones reales de esa compañía.
+
+## Situación actual comprobada
+
+| Área | Existe hoy | Ajuste necesario para el alcance acordado |
+| --- | --- | --- |
+| Inventario | Activos con compañía, sede, estado técnico, marca, plantilla e historial | Reunir la infraestructura y facilitar la consulta de sus conexiones y uso |
+| Plantillas | Router, firewall, switch, punto de acceso, NAS, servidor, impresora y otros equipos | Mantener sus datos descriptivos; separar las interfaces y direcciones repetibles |
+| Relaciones | Conectado a, Alojado en, Depende de, Alimentado por e Instalado en; tipos propios | Reutilizar los vínculos entre activos, suficientes para indicar impresora ↔ switch |
+| Puestos | Ordenador principal, responsable opcional, sede y composición | Conservar la exclusividad; los dispositivos compartidos no se duplican entre puestos |
+| Perfiles | Contexto de persona y equipo para documentar configuraciones | Mostrar qué equipos y perfiles utilizan cada activo compartido |
+| Impresión | Configuración perfil/impresora, USB o red, predeterminada y estados de preparación/retirada | Obtener una lista de equipos usuarios, distinguiendo uso configurado de tareas pendientes |
+| Software | Aplicación y licencia como recursos; instalación vinculada a activo | Mantener su responsabilidad propia, separada de las conexiones de red |
+| Carpetas | Recursos y configuración de acceso/mapeo con ruta | Relacionar explícitamente el recurso con el servidor o NAS cuando se necesite documentar su anfitrión |
+
+Evidencias locales:
+
+- [Catálogo de activos](../modules/assets/src/api/domain/asset-catalog-seed.ts).
+- [Reserva exclusiva de miembros del puesto](../modules/assets/src/api/application/workstation-input.mapper.ts).
+- [Valores de las relaciones](../modules/assets/src/api/domain/value-objects/asset-relationship-values.vo.ts).
+- [Tipos de campos y plantillas](../modules/assets/src/api/domain/asset-definition.ts).
+- [Relaciones entre activos](relaciones-entre-activos.md).
+- [Puestos de trabajo](puestos-de-trabajo.md).
+- [Impresoras del perfil](impresoras-del-perfil.md).
+- [Contrato de impresión](../modules/companies/src/api/domain/printer-configuration-values.ts).
+- [Contrato de instalación de software](../modules/companies/src/api/domain/software-installation-values.ts).
+
+Consecuencias:
+
+1. Una impresora compartida puede registrarse hoy como un único activo y vincularse
+   a varios perfiles. No necesita incorporarse a cada puesto.
+2. Una impresora USB puede formar parte de un puesto y mantener una relación con el
+   ordenador. Esa composición no acredita una instalación de controlador.
+3. Un servidor, NAS, switch o router puede existir sin puesto. Los servidores que hoy
+   se utilizan excepcionalmente como ordenador principal conservan ese caso de uso;
+   no se propone migrarlos ni bloquearlos automáticamente.
+4. «Conectado a» ya permite representar el nivel de conexión solicitado. No hace falta
+   sustituirlo por enlaces entre puertos ni representar cada cable paralelo.
+5. Falta una estructura sencilla de interfaces y direcciones, junto con una vista
+   consolidada del uso que aproveche las configuraciones ya existentes.
+
+## Comparación documental
+
+| Herramienta | Tratamiento documentado | Aprendizaje para Metis Desk |
+| --- | --- | --- |
+| GLPI | Puertos asociados a equipos, Ethernet/Wi-Fi y variantes virtuales; conexiones entre puertos, MAC, VLAN e historial | Tomar el inventario y las interfaces; mantener el detalle de puertos en UniFi |
+| iTop 3.3 | Dispositivos, servidores e impresoras como elementos propios; interfaces, VLAN y relaciones de impacto/dependencia | Separar el dispositivo de las funciones y dependencias que presta |
+| Jira Service Management Assets | Objetos relacionados por referencias entrantes/salientes y tipos de referencia | Mantener referencias navegables; una ficha aislada no explica la infraestructura |
+| ServiceNow CMDB | Relaciones diferenciadas de conexión, alojamiento, dependencia y pertenencia | Dar significado explícito a cada relación y distinguir conexión de impacto |
+| ManageEngine ServiceDesk Plus | CMDB con mapas de relaciones y dependencias; integración con herramientas de observabilidad | Consultar conexiones y uso; las integraciones no son requisito de esta propuesta |
+| NetBox | Interfaces de dispositivos, IP, VLAN y cableado entre extremos | Tomar la asociación de direcciones a interfaces; su cableado e IPAM exceden el alcance acordado |
+
+Fuentes y alcance de las afirmaciones:
+
+- **GLPI:** [Network ports](https://help.glpi-project.org/documentation/tabs/network_ports)
+  y [Connections](https://help.glpi-project.org/documentation/tabs/connections).
+  La documentación distingue conexiones de equipos y puertos de red y permite datos manuales o de inventario automático.
+- **iTop:** [CMDB 3.3](https://www.itophub.io/wiki/page?id=3_3_0:datamodel:itop-config-mgmt)
+  y [dispositivos de usuario 3.3](https://www.itophub.io/wiki/page?id=3_3_0:datamodel:itop-endusers-devices).
+  Se documentan dispositivos de red, interfaces físicas, VLAN e impresoras conectadas a red o PC.
+- **Atlassian:** [referencias entre objetos](https://support.atlassian.com/assets/docs/what-is-a-reference/).
+  Las referencias tienen dirección y un tipo que expresa su significado.
+- **ServiceNow:** [relaciones entre CI](https://www.servicenow.com/docs/r/de-DE/servicenow-platform/configuration-management-database-cmdb/c_CIRelationships.html).
+  La tabla distingue Connects to, Depends on, Hosted on y otras relaciones.
+- **ManageEngine:** [CMDB de ServiceDesk Plus](https://www.manageengine.com/products/service-desk/itsm/it-cmdb-software.html)
+  y [sincronización con OpManager](https://www.manageengine.com/network-monitoring/syncing-relationship-data.html).
+  La descripción del proveedor contempla mapas e integración; no implica que toda edición los incluya.
+- **NetBox:** [interfaces](https://netbox.readthedocs.io/en/stable/models/dcim/interface/),
+  [direcciones IP](https://netbox.readthedocs.io/en/stable/models/ipam/ipaddress/)
+  y [cables](https://netbox.readthedocs.io/en/stable/models/dcim/cable/).
+  La documentación sitúa IP/VLAN en interfaces y representa conexiones físicas mediante extremos de cable.
+
+La conclusión transversal de esta revisión es que los equipos compartidos conservan
+su identidad y se conectan a otros registros. La asignación personal es una dimensión
+más, junto a ubicación, conexiones y uso.
+
+## Modelo funcional recomendado
+
+| Concepto | Qué representa | Ejemplo |
+| --- | --- | --- |
+| Plantilla de activo | Datos descriptivos de un tipo de equipo | Impresora, NAS, switch |
+| Activo | Un equipo concreto, físico o virtual cuando corresponda | Impresora XXX, switch 1, ordenador A1 |
+| Puesto | Equipo principal y elementos asignados exclusivamente al conjunto | PC + monitores + impresora USB dedicada |
+| Perfil | Contexto de usuario/equipo y sus configuraciones | Perfil de una persona en A1 |
+| Interfaz | Medio de conexión de un activo que interesa documentar | Ethernet LAN, Wi-Fi, interfaz de gestión |
+| Dirección IP | Dirección asociada a una interfaz concreta | Ethernet: 192.168.5.201; Wi-Fi: 192.168.5.202 |
+| Conexión entre activos | Vínculo general entre dos equipos | Impresora XXX conectada al switch 1 |
+| Configuración de uso | Cómo un perfil o equipo consume un activo o recurso | Impresora configurada en A1 o carpeta mapeada |
+| Recurso publicado | Algo consumible ofrecido por un anfitrión | Carpeta compartida de un NAS |
+
+### Plantillas y clasificación
+
+Marca, modelo, serie, capacidad, características de hardware, firmware y datos
+específicos del producto siguen en las plantillas. Hubs, gateways, controladoras y
+otros equipos pueden usar plantillas propias.
+
+Una clasificación funcional estable debe permitir filtrar familias sin depender
+del nombre traducido ni del icono. Un gateway también puede hacer de router,
+firewall y punto de acceso: registrar un solo aparato y sus funciones. La clasificación
+exacta se debe acordar antes de modificar contratos; el icono sigue siendo presentación.
+
+Las interfaces y sus IP requieren estructuras relacionadas. Evitar campos fijos
+IP Ethernet/IP Wi-Fi, IP1/IP2 o listas separadas por comas, porque un activo puede
+tener varias interfaces del mismo tipo y una interfaz puede tener varias direcciones.
+
+### Interfaces e IP: información mínima
+
+Por cada interfaz que interese documentar:
+
+- Nombre o identificador comprensible: Ethernet, LAN1, Wi-Fi o Gestión.
+- Tipo de conexión, inicialmente Ethernet, Wi-Fi y Otro.
+- Cero, una o varias direcciones IP, admitiendo IPv4 e IPv6.
+- MAC opcional y observaciones opcionales.
+
+Una impresora puede tener Ethernet y Wi-Fi aunque solo Ethernet tenga una IP conocida.
+Una interfaz sin dirección conocida no obliga a inventarla ni a borrar la interfaz.
+En las tablas, las celdas sin valor muestran «—» conforme al patrón común.
+
+La IP identifica una configuración, no la identidad del activo. Cambiar una IP conserva
+el activo y su historial. Una misma dirección privada puede existir en compañías
+diferentes. Dentro de una compañía, una coincidencia puede generar un aviso revisable;
+no imponer unicidad absoluta sin conocer los contextos de red, que quedan fuera del alcance.
+No es necesario administrar prefijos, máscaras, rangos, DHCP ni VLAN para guardar una IP.
+
+### Conexiones entre equipos
+
+Reutilizar «Conectado a» como vínculo entre dos activos de la misma compañía.
+Debe poder consultarse en ambas fichas y conservar su vigencia e historial actual.
+Ejemplos: impresora ↔ switch, PC ↔ switch, AP ↔ switch y NAS ↔ switch.
+
+La conexión se registra aunque no se conozca la interfaz. Si interesa asociarla a
+una interfaz documentada, se puede añadir una referencia opcional sobre ese mismo
+vínculo, sin crear una segunda conexión independiente ni exigir el puerto remoto.
+La concreta necesidad de esa referencia se resolverá en el diseño técnico.
+
+Las relaciones existentes siguen siendo válidas y completas para este nivel de
+detalle. No se marcan como incompletas por carecer de extremos de cable. Una sola
+relación puede resumir la conexión entre dos equipos, incluso si UniFi conoce varios
+enlaces físicos. Las asociaciones se documentan; no acreditan disponibilidad en tiempo real.
+
+### Uso exclusivo, compartido y «Dónde se utiliza»
+
+La exclusividad pertenece a la composición activa del puesto. Un activo compartido
+puede ser utilizado por varios perfiles o equipos sin adquirir varias identidades ni
+reservas exclusivas. Mantener la protección del ordenador y sus periféricos dedicados.
+
+Para impresoras, la fuente de verdad del uso son las configuraciones de impresión
+existentes. Desde ellas se obtiene el equipo de cada perfil y, cuando exista, su
+puesto. La consulta «Dónde se utiliza» muestra equipos únicos —A1, A2, A5, P1— y
+permite desplegar sus perfiles/usuarios y su configuración de impresora predeterminada.
+Si varios perfiles de A1 utilizan la impresora, A1 aparece una sola vez en el resumen.
+
+Distinguir configurada, pendiente de configurar y pendiente de retirar. Las configuraciones
+retiradas o que nunca llegaron a configurarse permanecen en el historial, sin presentarse
+como uso actual. Los avisos de referencias inactivas se conservan. No afirmar un uso
+real observado: la información describe las configuraciones registradas en Metis Desk.
+
+No mantener una segunda lista editable de ordenadores usuarios para las mismas
+configuraciones. Si aparece un uso a nivel de equipo sin perfil, se diseñará una
+asociación específica para ese caso y se integrará en la consulta agregada.
+
+Estar conectado a un switch no significa utilizar la impresora. Estar en la misma
+sede tampoco concede acceso. Conexión, uso y asignación exclusiva son dimensiones distintas.
+
+### Impresión local y compartida
+
+| Caso | Conexión documentada | Uso documentado |
+| --- | --- | --- |
+| USB dedicada | Impresora ↔ PC; puede pertenecer al puesto | Perfil configura esa impresora local |
+| Impresora Ethernet | Impresora ↔ switch; interfaz Ethernet con sus IP si se conocen | Varios perfiles/equipos configuran el mismo activo |
+| Impresora Wi-Fi | Impresora ↔ AP cuando interese y se conozca; interfaz Wi-Fi con sus IP | Varios perfiles/equipos configuran el mismo activo |
+| USB compartida desde un PC | Impresora ↔ PC anfitrión; no necesita una IP propia | Otros equipos utilizan la impresora compartida desde ese anfitrión |
+
+Para impresoras publicadas por un PC o servidor, registrar el anfitrión y el nombre
+compartido o ruta cuando ese caso lo requiera. El modelo completo de colas y servidores
+de impresión se reserva para una ampliación posterior; no es requisito para consultar
+los equipos que hoy utilizan una impresora de red mediante los perfiles existentes.
+
+### Servidores, NAS y recursos
+
+Registrar cada servidor o NAS una vez, con sus interfaces/IP y conexiones generales.
+Los roles —archivos, dominio, DNS, DHCP, impresión o aplicaciones— describen sus funciones;
+no crear un activo duplicado por cada función ni exigir un puesto para administrarlo.
+
+Una VM puede ser otro activo relacionado mediante «Alojado en», conservando identidad
+e historial al cambiar de anfitrión. El NAS es el dispositivo y sus carpetas son recursos.
+La relación explícita entre recurso y anfitrión se incorporará cuando ese caso sea necesario,
+conservando los permisos y configuraciones actuales. No forma parte del mínimo de red
+el modelado exhaustivo de servicios, clusters o dependencias de aplicaciones.
+
+## Ejemplo de ficha de una impresora
+
+Ejemplo ilustrativo del alcance, no inventario ni conexiones verificados de Abeto Design:
+
+| Apartado | Contenido |
+| --- | --- |
+| Información | Impresora XXX, modelo, serie, sede y estado |
+| Interfaces | Ethernet: 192.168.5.201; Wi-Fi: 192.168.5.202 |
+| Conexiones | Switch 1 por Ethernet; AP 1 por Wi-Fi, si se conoce y está documentado |
+| Dónde se utiliza | A1, A2, A5 y P1; perfiles y estados de configuración asociados |
+| Historial | Cambios de datos, direcciones, conexiones y configuraciones |
+
+Las dos direcciones son ilustrativas; no se presupone que ambas interfaces estén
+configuradas o conectadas simultáneamente. Tampoco es obligatorio conocer el AP.
+
+```mermaid
+flowchart LR
+    Printer[Impresora XXX] ---|Conectada a| Switch[Switch 1]
+    Printer --- Ethernet[Ethernet: 192.168.5.201]
+    Printer --- Wifi[Wi-Fi: 192.168.5.202]
+    A1[Equipo A1] -. Configuración de impresión .-> Printer
+    A2[Equipo A2] -. Configuración de impresión .-> Printer
+    A5[Equipo A5] -. Configuración de impresión .-> Printer
+    P1[Equipo P1] -. Configuración de impresión .-> Printer
+```
+
+El esquema muestra conexión, interfaces y uso. Las líneas de uso son una consulta
+agregada de los perfiles, no nuevas asociaciones editables que dupliquen sus datos.
+
+## Diseño de persistencia propuesto
+
+Propuesta conceptual, no esquema aprobado ni migración lista para ejecutar:
+
+- `asset_interfaces`: identidad UUID v7, compañía, activo, nombre, tipo de conexión,
+  MAC opcional y observaciones. Solo interfaces relevantes para documentar el activo.
+- `asset_interface_addresses`: identidad UUID v7, interfaz y dirección IP normalizada.
+  Mantener las referencias y validaciones de pertenencia a compañía.
+- `asset_relationships`: reutilizar la entidad existente para conexiones entre equipos,
+  alojamiento y dependencias. No crear `network_connections` para puertos o cables.
+- `printer_configurations`: conservar la fuente de verdad del uso de impresoras;
+  obtener equipos/perfiles/puestos mediante consultas, sin copiar listas de usuarios.
+
+No se proponen tablas de puertos de switch, cableado, VLAN, segmentos, pools o rangos
+IP. Las futuras publicaciones de recursos o usos sin perfil se diseñarán por separado
+cuando existan casos concretos, sin bloquear esta entrega.
+
+Todas las entidades de negocio, incluidas las internas, requieren identidad propia.
+Mantener FK, validación de compañía, transacciones, historial, idempotencia y migraciones
+explícitas. La dirección no sustituye el UUID del activo o interfaz. Las referencias
+repetibles se almacenan de forma relacional, sin listas de IP en texto ni JSON.
+Los módulos consumidores acceden por servicios públicos; el ORM permanece en Infrastructure.
+MariaDB y la arquitectura existente cubren este alcance.
+
+Los campos IP o MAC que ya existan en características o notas requieren una revisión
+antes de proponer migración. No eliminarlos ni reinterpretarlos automáticamente.
+Una migración futura debe identificar la interfaz cuando se conozca, conservar el
+historial y establecer una única fuente editable para la información normalizada.
+
+## Cambios de interfaz recomendados
+
+Añadir **Infraestructura** en la compañía como vista del mismo inventario, con filtros
+de equipos de red, servidores/almacenamiento y periféricos compartidos. Mostrar nombre,
+tipo, sede, estado, direcciones y vínculos generales según el contenido disponible.
+Estos filtros necesitan clasificación funcional explícita; no deben usar iconos como
+reglas de negocio. Un equipo puede aparecer en varias vistas por sus funciones.
+
+La ficha del activo reúne **Información**, **Interfaces**, **Conexiones**,
+**Dónde se utiliza** e **Historial**, según corresponda. Los apartados pueden ser
+secciones de la ficha; no se exige crear una pestaña por cada uno. Reutilizar
+componentes, listados, selectores y diálogos existentes.
+
+- Impresora: interfaces con IP, dispositivos conectados y equipos/perfiles que la utilizan.
+- Switch: equipos conectados a nivel de activo, sin cuadrícula ni ocupación de puertos.
+- Servidor/NAS: interfaces, conexiones y relaciones de alojamiento o recursos ya documentadas.
+- Puesto: componentes exclusivos y consulta de uso compartido derivada de sus perfiles,
+  sin incorporar la impresora compartida a su reserva exclusiva.
+
+Una representación gráfica sencilla es opcional y posterior a las consultas en tabla.
+Un acceso manual al controlador UniFi puede añadirse si resulta útil; no se presupone
+API, descubrimiento, enlace profundo a un dispositivo ni sincronización automática.
+
+## Alternativas y recomendación
+
+| Alternativa | Ventaja | Problema | Decisión propuesta |
+| --- | --- | --- | --- |
+| IP y uso en notas o campos fijos | Entrega mínima | No permite consultar y mantener varias interfaces/IP o referencias con claridad | Documentación transitoria |
+| Quitar la exclusividad de los puestos | Aparente simplicidad | Mezcla reserva, conexión y uso compartido | Descartar |
+| Inventario, relaciones entre equipos, interfaces/IP y uso derivado | Aprovecha el modelo actual y cubre el límite solicitado | Requiere interfaces/IP y consultas consolidadas | Recomendada |
+| Replicar el detalle de red de UniFi | Más información técnica | Duplica una función que el usuario ya tiene cubierta | Fuera del alcance |
+
+La recomendación es propia. De GLPI se toma el inventario y la distinción entre medios;
+de iTop, Atlassian y ServiceNow, las relaciones; de NetBox, el concepto de direcciones
+asociadas a interfaces. Sus funciones más amplias no se trasladan como obligaciones.
+
+## Orden de implantación y aceptación
+
+### 1. Hacer visible la infraestructura y su uso
+
+Acordar la clasificación funcional y crear la vista de infraestructura. Reutilizar
+«Conectado a» entre activos y ofrecer la consulta de conexiones desde ambos extremos.
+Mostrar en impresoras los equipos que las utilizan, derivados de perfiles y configuraciones.
+Separar estado técnico, reserva exclusiva y uso compartido al presentarlos.
+
+Aceptación:
+
+- Una impresora está conectada al switch 1 sin introducir ningún puerto.
+- A1, A2, A5 y P1 pueden utilizarla sin duplicar su activo ni sus reservas de puesto.
+- Dos perfiles de A1 no duplican A1 en la lista agregada.
+- Se distinguen configuraciones activas, pendientes de configurar/retirar e historial.
+- Un servidor, NAS o switch se administra sin crear un puesto.
+
+### 2. Incorporar interfaces y direcciones
+
+Alta y edición de interfaces relevantes para el activo, con sus direcciones IP,
+validación e historial. Captura manual; UniFi no es una dependencia para guardar.
+No exigir conocer un switch, AP, subred o puerto para registrar una interfaz o IP.
+
+Aceptación:
+
+- Una impresora conserva Ethernet y Wi-Fi con IP diferentes.
+- Puede guardarse una interfaz sin IP conocida o con varias IPv4/IPv6.
+- Un activo puede tener dos interfaces Ethernet diferenciadas por nombre.
+- Cambiar o retirar una IP conserva la identidad del activo y su historial.
+- Dos compañías pueden registrar la misma IP privada sin conflicto.
+- Guardar los mismos datos no añade revisiones; las referencias de otra compañía se rechazan.
+
+### 3. Completar casos concretos de publicación y uso
+
+Cuando se necesite: anfitrión de carpeta compartida, impresora USB compartida desde
+un PC, alojamiento de VM o uso de un activo a nivel de equipo sin perfil.
+Reutilizar las asociaciones existentes y evitar registros duplicados de un mismo uso.
+El modelo exhaustivo de colas o servicios requerirá su propio diseño.
+
+### 4. Mejoras opcionales de consulta
+
+Mapa sencillo entre equipos y acceso al controlador UniFi, si aportan utilidad.
+Una integración automática se evaluará como tarea separada con origen, reconciliación
+e historial; no implica ampliar el alcance a gestión de cableado, IPAM o monitorización.
+
+## Decisiones de alcance para la siguiente entrega
+
+1. El puesto mantiene su composición exclusiva; la infraestructura compartida tiene activos propios.
+2. Las conexiones son entre equipos, sin detalle de puertos ni cables.
+3. Cada activo puede tener varias interfaces y cada interfaz cero o varias IP.
+4. El uso de impresoras se consulta desde las configuraciones de sus perfiles, agrupado por equipo.
+5. Infraestructura será una vista del mismo inventario y sus asociaciones, sin duplicarlo.
+6. UniFi conserva el detalle de red; una integración no es necesaria para esta propuesta.
+7. La entrega comienza por conexiones/uso visibles e interfaces/IP. Los casos adicionales
+   de recursos publicados se incorporan conforme se necesiten.
+
+Este documento actualiza la propuesta funcional. No implementa cambios de código,
+no modifica datos y no cambia por sí mismo las reglas vigentes del dominio.
diff --git a/docs/componentes-de-interfaz.md b/docs/componentes-de-interfaz.md
index b0ccd8c..f568a67 100644
--- a/docs/componentes-de-interfaz.md
+++ b/docs/componentes-de-interfaz.md
@@ -1044,3 +1044,22 @@ externas, sus datos propios y sus proyecciones de buzón o acceso dentro de una
 Tras borrar se limpia la selección afectada y se mantienen la búsqueda y la pestaña.
 Las altas, ediciones y cambios de estado o borrado reutilizan
 `resourceRelatedQueryKeys` para actualizar inventario y listados consumidores.
+
+
+### Infraestructura e interfaces de activos
+
+`InfrastructurePage` presenta una vista del inventario con clasificación funcional y
+relaciones entre equipos. Reutiliza `EntityListHeader`, `EntityTable`, `EntityRowActions`
+y `AssetSelect`. `AssetInfrastructureSections` compone el apartado de interfaces y el
+contenido de uso aportado por la compañía. `AssetInfrastructurePanel` consulta datos e
+historial; `InfrastructureEditorDialog` encapsula el modal con `FormDialog layout="stable"`,
+React Hook Form, `FormBody`, `FormHelp` y `FormActions`. `InterfaceFields` administra los
+campos y direcciones de una interfaz, con etiquetas y errores locales.
+
+`InventoryLookups.renderUsage` permite que Companies aporte `AssetPrinterUsage` sin
+introducir dependencias de Assets hacia Companies. El componente agrupa por equipo
+las configuraciones de impresión y muestra perfiles, estados e historial. Las consultas
+comparten claves y estados remotos existentes. Son componentes propios de sus módulos;
+las primitivas visuales genéricas siguen en @repo/rdx-ui y @repo/shadcn-ui.
+
+Véase [Infraestructura informática](infraestructura-informatica.md).
diff --git a/docs/infraestructura-informatica.md b/docs/infraestructura-informatica.md
new file mode 100644
index 0000000..e5fd5a5
--- /dev/null
+++ b/docs/infraestructura-informatica.md
@@ -0,0 +1,129 @@
+# Infraestructura informática de la compañía
+
+Implementación del núcleo acordado en la
+[auditoría de infraestructura](auditoria-de-infraestructura-informatica.md): conexiones
+entre equipos, interfaces/IP y consulta del uso documentado de impresoras.
+
+## Acceso y clasificación
+
+La compañía incorpora **Infraestructura** en su navegación. La ruta es
+`/companies/:companyId/infrastructure`. Es una vista del mismo inventario de activos;
+no crea otra copia de los equipos.
+
+Las funciones disponibles son Red, Servidor, Almacenamiento y Periférico compartido.
+Un activo puede tener varias. Los routers, firewalls, switches y puntos de acceso de
+serie se presentan por defecto en Red; los servidores en Servidor y los NAS en
+Almacenamiento. El criterio usa `builtinKey`, publicado por el catálogo de activos,
+no el icono ni el nombre traducido. Las clasificaciones guardadas prevalecen sobre
+esos valores de serie. Las plantillas propias se clasifican expresamente.
+
+**Añadir a infraestructura** reutiliza el selector de activos y abre el editor sobre
+el activo elegido. También se accede desde **Interfaces y direcciones** en la ficha
+lateral o en la ficha completa de cualquier activo. Marcar Periférico compartido no
+reserva el activo para un puesto ni instala configuraciones de impresión.
+
+El listado admite búsqueda, filtros por función, columnas y ordenación del patrón
+común. Muestra interfaces/IP, estado técnico, puestos asignados y relaciones vigentes con
+enlaces a las fichas de ambos extremos. Para dar de alta un equipo nuevo se utiliza
+el alta existente de Activos, conservando sus plantillas, sedes e historial.
+
+## Interfaces y direcciones
+
+El editor tiene altura estable, scroll interno y ayuda junto al pie. Las interfaces
+admiten nombre, tipo Ethernet/Wi-Fi/Otra, MAC opcional, notas y cero o varias IP.
+Máximo 32 interfaces por activo y 32 direcciones por interfaz. Puede haber varias
+interfaces Ethernet con nombres distintos. Los nombres son únicos dentro del activo,
+ignorando mayúsculas y espacios exteriores.
+
+Las direcciones admiten IPv4 e IPv6 sin máscara. Se normalizan las IPv6 y las MAC;
+no se admite repetir una dirección dentro de la misma interfaz. No hay unicidad
+global por dirección: dos compañías, o dos interfaces, pueden documentar la misma IP.
+No se infieren subredes, VLAN ni rutas. Una interfaz sin IP conocida se conserva.
+
+Cada interfaz y dirección tiene identidad UUID v7, independiente de su nombre o IP.
+El editor conserva esas identidades al modificar datos. Repetir un guardado equivalente
+no añade revisión. Se rechazan identificadores de interfaces o direcciones que no
+pertenezcan a la configuración que se está editando.
+
+Cada cambio guarda una instantánea con actor y fecha; la ficha permite consultar
+interfaces, direcciones, notas y funciones anteriores. Retirar una interfaz o una IP
+del formulario no borra sus instantáneas históricas.
+
+Las IP/MAC que ya existían en características o notas permanecen intactas. Su traslado
+al nuevo apartado requiere revisar a qué interfaz corresponden; no hay una conversión
+que invente conexiones o elimine datos anteriores.
+
+## Conexiones entre equipos
+
+Se reutiliza [Relaciones entre activos](relaciones-entre-activos.md). **Conectado a**
+es suficiente para indicar impresora ↔ switch o NAS ↔ switch. Se consulta en las
+fichas de ambos extremos. No se requieren puertos numerados ni conexiones a nivel
+de interfaz para guardar esa relación. También se conservan Alojado en y los demás
+tipos de relación existentes.
+
+UniFi conserva el detalle de puertos y cableado. Este núcleo no incorpora sincronización,
+descubrimiento, monitorización, VLAN o IPAM avanzado. Las relaciones representan
+información documentada, no una comprobación automática de conectividad actual.
+
+## Dónde se utiliza una impresora
+
+La ficha del activo en el espacio de compañía presenta **Dónde se utiliza**, a partir
+de `printer_configurations` y los perfiles existentes. La composición se inyecta desde
+Companies: Assets no importa repositorios, API ni componentes de Companies.
+
+Se agrupa por equipo, con enlace a su ficha. Varios perfiles del mismo equipo producen
+una sola entrada de equipo. Dentro se muestran los perfiles, persona, conexión USB/red,
+estado, condición de predeterminada y avisos de revisión. Se conservan los estados
+Pendiente de configurar, Configurada y Pendiente de retirar; las configuraciones
+Retirada y No llegó a configurarse aparecen aparte como historial.
+
+Si una referencia no se resuelve, se informa de ello; los errores de consulta no se
+presentan como ausencia de uso. Los datos se obtienen de las consultas compartidas de
+inventario, perfiles e impresoras y admiten reintento.
+
+La consulta describe configuraciones registradas, no actividad de impresión observada.
+No mantiene una segunda lista editable de equipos usuarios. La reserva exclusiva del
+puesto no se modifica: una impresora compartida puede usarse en varios perfiles sin
+incorporarse a sus composiciones.
+
+## Dominio, persistencia y HTTP
+
+`AssetInfrastructure` es el agregado de la documentación de infraestructura de un
+activo. Contiene interfaces con direcciones identificadas y revisiones inmutables.
+Los valores normalizados comparan contenido semánticamente, sin serializar JSON.
+
+La migración explícita se integra en el arranque del módulo de activos y es idempotente.
+Tablas relacionales:
+
+- `asset_infrastructure`: identidad, compañía y activo, único por activo.
+- `asset_infrastructure_revisions`: actor, fecha y posición de cada instantánea.
+- `asset_infrastructure_roles`: funciones por revisión.
+- `asset_interface_snapshots`: valores e identidad de las interfaces por revisión.
+- `asset_interface_address_snapshots`: valores e identidad de direcciones por interfaz/revisión.
+
+Las FK compuestas protegen la pertenencia activo/compañía y dirección/interfaz/revisión.
+Las revisiones se añaden; los datos actuales se obtienen de la última instantánea.
+El borrado definitivo permitido de un activo limpia también estos datos propios dentro
+de la misma transacción. Las asociaciones externas siguen bloqueando ese borrado.
+
+`GET /api/asset-infrastructure/:companyId` devuelve configuraciones e historial.
+`POST /api/asset-infrastructure/:companyId/:assetId` guarda `{ values }` con funciones
+e interfaces. Los contratos Zod validan entrada y salida. La sesión aporta el actor;
+las rutas usan la autenticación común y las escrituras la protección HTTP del servidor.
+El repositorio valida la compañía, verifica la pertenencia del activo y bloquea la
+compañía durante la escritura para proteger el guardado concurrente.
+
+## Validación y límites
+
+Pruebas de normalización, límites, nombres/direcciones duplicados, identidad e historial,
+repetición sin cambios, clasificación independiente de iconos y uso agrupado por equipo.
+Las pruebas web comprueban es/en y referencias reales a fichas. Las pruebas HTTP usan
+Express real y un repositorio en memoria; comprueban sesión, validación y pertenencia.
+La prueba MariaDB utiliza tablas temporales en `metis_desk_test` para verificar escritura,
+rehidratación, historial y limpieza de los datos propios. La migración se ha aplicado
+y repetido en esa base para comprobar las nuevas restricciones.
+
+Los anfitriones de recursos publicados, colas de impresión, usos sin perfil y mapas
+opcionales mantienen el carácter de ampliaciones posteriores de la propuesta. No son
+requisitos para registrar interfaces/IP, conexiones entre equipos o el uso de impresión
+ya documentado mediante perfiles.
diff --git a/docs/inventario-de-modales.md b/docs/inventario-de-modales.md
index d5c3fd2..2722f1a 100644
--- a/docs/inventario-de-modales.md
+++ b/docs/inventario-de-modales.md
@@ -169,3 +169,13 @@ El fallo de empresas se reprodujo ejecutando directamente el fichero: una prueba
 espera el texto «Esta persona no tiene acceso a Metis Desk», ausente en el render actual.
 No se ha modificado esa prueba ni el contenido de la ayuda para ocultar el fallo.
 Los módulos de tickets, intervenciones y sus plantillas permanecen [archivados](funcionalidades-archivadas.md).
+
+
+## Ampliación: interfaces e infraestructura (17 de octubre de 2026)
+
+`InfrastructureEditorDialog`, en Assets, edita funciones e interfaces/IP de un activo.
+Vive en su propio fichero y utiliza `FormDialog layout="stable"`, cuerpo con scroll,
+ayuda inferior y acciones fijas. La selección de un activo existente reutiliza
+`AssetPickerDialog`, con sus reglas actuales de foco, selección y altura.
+Esta ampliación se añade al inventario anterior; no cambia el recuento histórico de
+la revisión del 15 de octubre. Véase [Infraestructura informática](infraestructura-informatica.md).
diff --git a/modules/assets/package.json b/modules/assets/package.json
index 0d8f5d4..b785f70 100644
--- a/modules/assets/package.json
+++ b/modules/assets/package.json
@@ -10,7 +10,7 @@
   },
   "scripts": {
     "typecheck": "tsc -p tsconfig.json",
-    "test": "TSX_TSCONFIG_PATH=../../tsconfig.json node --import tsx --test src/api/domain/asset-catalog.test.ts src/api/domain/asset.test.ts src/api/domain/workstation.test.ts src/api/domain/asset-relationship.test.ts src/web/catalog/shared/catalog.test.tsx src/web/assets/shared/inventory.test.tsx src/api/domain/support.test.ts src/web/support-connections/shared/support.test.tsx src/api/domain/brand.test.ts src/web/brands/shared/brands.test.tsx src/api/domain/template-sections.test.ts src/web/workstations/shared/helpers/workstation-creation.test.ts src/web/workstations/shared/workstation-name.test.ts src/web/workstations/rename/api/rename-workstation.test.ts src/web/assets/list/asset-workstation.test.tsx src/web/assets/select/asset-selection.test.tsx src/web/catalog-fields/select/catalog-field-selection.test.tsx"
+    "test": "TSX_TSCONFIG_PATH=../../tsconfig.json node --import tsx --test src/api/domain/asset-catalog.test.ts src/api/domain/asset.test.ts src/api/domain/infrastructure.test.ts src/api/domain/workstation.test.ts src/api/domain/asset-relationship.test.ts src/web/catalog/shared/catalog.test.tsx src/web/assets/shared/inventory.test.tsx src/web/infrastructure/shared/infrastructure.test.tsx src/api/domain/support.test.ts src/web/support-connections/shared/support.test.tsx src/api/domain/brand.test.ts src/web/brands/shared/brands.test.tsx src/api/domain/template-sections.test.ts src/web/workstations/shared/helpers/workstation-creation.test.ts src/web/workstations/shared/workstation-name.test.ts src/web/workstations/rename/api/rename-workstation.test.ts src/web/assets/list/asset-workstation.test.tsx src/web/assets/select/asset-selection.test.tsx src/web/catalog-fields/select/catalog-field-selection.test.tsx"
   },
   "dependencies": {
     "@hookform/resolvers": "5.2.2",
diff --git a/modules/assets/src/api/application/asset-catalog-response.builder.ts b/modules/assets/src/api/application/asset-catalog-response.builder.ts
index 740f821..ac17da4 100644
--- a/modules/assets/src/api/application/asset-catalog-response.builder.ts
+++ b/modules/assets/src/api/application/asset-catalog-response.builder.ts
@@ -13,6 +13,7 @@ export function buildCatalogResponse(
       id: item.id.toPrimitive(),
       companyId: item.companyId.getOrUndefined()?.toPrimitive() ?? null,
       builtin: item.stockKey.getOrUndefined() !== undefined,
+      builtinKey: item.stockKey.getOrUndefined() ?? null,
       ...(item.stockKey.getOrUndefined() === "field:brand"
         ? { referenceCatalog: "brands" as const }
         : {}),
diff --git a/modules/assets/src/api/application/infrastructure-response.builder.ts b/modules/assets/src/api/application/infrastructure-response.builder.ts
new file mode 100644
index 0000000..d4c07e5
--- /dev/null
+++ b/modules/assets/src/api/application/infrastructure-response.builder.ts
@@ -0,0 +1,21 @@
+import type { InfrastructureDTO } from "../../common/infrastructure";
+import type { AssetInfrastructure } from "../domain/asset-infrastructure.aggregate";
+
+export function buildInfrastructureResponse(
+  item: AssetInfrastructure,
+  actors: ReadonlyMap<string, string>
+): InfrastructureDTO {
+  return {
+    id: item.id.toPrimitive(),
+    companyId: item.companyId.toPrimitive(),
+    assetId: item.assetId.toPrimitive(),
+    values: item.values.toPrimitive(),
+    history: item.history.map((revision) => ({
+      id: revision.id.toPrimitive(),
+      values: revision.values.toPrimitive(),
+      actorId: revision.actorId.toPrimitive(),
+      actorName: actors.get(revision.actorId.toPrimitive()) ?? "—",
+      recordedAt: revision.recordedAt,
+    })),
+  };
+}
diff --git a/modules/assets/src/api/application/infrastructure.repository.ts b/modules/assets/src/api/application/infrastructure.repository.ts
new file mode 100644
index 0000000..f573fae
--- /dev/null
+++ b/modules/assets/src/api/application/infrastructure.repository.ts
@@ -0,0 +1,28 @@
+import type { UniqueID } from "@repo/rdx-ddd";
+import type { Result } from "@repo/rdx-utils";
+
+import type { AssetCatalogError } from "../domain/asset-definition";
+import type { AssetInfrastructure } from "../domain/asset-infrastructure.aggregate";
+
+export interface IInfrastructureRepository {
+  get(
+    company: UniqueID
+  ): Promise<
+    Result<
+      { items: readonly AssetInfrastructure[]; actorNames: ReadonlyMap<string, string> },
+      AssetCatalogError
+    >
+  >;
+  save(
+    company: UniqueID,
+    asset: UniqueID,
+    change: (
+      previous: AssetInfrastructure | undefined
+    ) => Result<AssetInfrastructure, AssetCatalogError>
+  ): Promise<
+    Result<
+      { item: AssetInfrastructure; actorNames: ReadonlyMap<string, string> },
+      AssetCatalogError
+    >
+  >;
+}
diff --git a/modules/assets/src/api/application/infrastructure.use-cases.ts b/modules/assets/src/api/application/infrastructure.use-cases.ts
new file mode 100644
index 0000000..ac0e7ac
--- /dev/null
+++ b/modules/assets/src/api/application/infrastructure.use-cases.ts
@@ -0,0 +1,44 @@
+import { UniqueID } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import { AssetCatalogError } from "../domain/asset-definition";
+import { AssetInfrastructure } from "../domain/asset-infrastructure.aggregate";
+import type { InfrastructureInput } from "../domain/infrastructure-values";
+import { InfrastructureValues } from "../domain/value-objects/infrastructure-values.vo";
+
+import type { IInfrastructureRepository } from "./infrastructure.repository";
+
+export class InfrastructureUseCases {
+  constructor(private readonly repository: IInfrastructureRepository) {}
+
+  get(companyId: string) {
+    const company = UniqueID.create(companyId);
+
+    return company.isSuccess
+      ? this.repository.get(company.data)
+      : Promise.resolve(Result.fail(new AssetCatalogError("INVALID_REQUEST")));
+  }
+
+  save(companyId: string, assetId: string, input: InfrastructureInput, actorId: string) {
+    const company = UniqueID.create(companyId);
+    const asset = UniqueID.create(assetId);
+    const actor = UniqueID.create(actorId);
+
+    if (!(company.isSuccess && asset.isSuccess && actor.isSuccess)) {
+      return Promise.resolve(Result.fail(new AssetCatalogError("INVALID_REQUEST")));
+    }
+
+    return this.repository.save(company.data, asset.data, (previous) => {
+      const values = InfrastructureValues.create(input, previous?.values);
+
+      if (!values.isSuccess) {
+        return Result.fail(values.error);
+      }
+      const now = new Date().toISOString();
+
+      return previous
+        ? previous.update(values.data, actor.data, now)
+        : AssetInfrastructure.create(company.data, asset.data, values.data, actor.data, now);
+    });
+  }
+}
diff --git a/modules/assets/src/api/domain/asset-infrastructure.aggregate.ts b/modules/assets/src/api/domain/asset-infrastructure.aggregate.ts
new file mode 100644
index 0000000..9a47104
--- /dev/null
+++ b/modules/assets/src/api/domain/asset-infrastructure.aggregate.ts
@@ -0,0 +1,87 @@
+import type { UniqueID } from "@repo/rdx-ddd";
+import { AggregateRoot } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+import { z } from "zod/v4";
+
+import { AssetCatalogError } from "./asset-definition";
+import { InfrastructureRevision } from "./infrastructure-revision.entity";
+import type { InfrastructureValues } from "./value-objects/infrastructure-values.vo";
+
+type InfrastructureProps = Readonly<{
+  companyId: UniqueID;
+  assetId: UniqueID;
+  history: readonly InfrastructureRevision[];
+}>;
+
+export class AssetInfrastructure extends AggregateRoot<InfrastructureProps> {
+  private constructor(props: InfrastructureProps, id?: UniqueID) {
+    super(Object.freeze({ ...props, history: Object.freeze([...props.history]) }), id);
+  }
+
+  static create(
+    companyId: UniqueID,
+    assetId: UniqueID,
+    values: InfrastructureValues,
+    actorId: UniqueID,
+    recordedAt: string
+  ) {
+    if (!z.iso.datetime().safeParse(recordedAt).success) {
+      return Result.fail(new AssetCatalogError("INVALID_REQUEST"));
+    }
+
+    return Result.ok(
+      new AssetInfrastructure({
+        companyId,
+        assetId,
+        history: [InfrastructureRevision.create({ values, actorId, recordedAt })],
+      })
+    );
+  }
+
+  static rehydrate(id: UniqueID, props: InfrastructureProps) {
+    return new AssetInfrastructure(props, id);
+  }
+
+  get companyId() {
+    return this.props.companyId;
+  }
+
+  get assetId() {
+    return this.props.assetId;
+  }
+
+  get history() {
+    return this.props.history;
+  }
+
+  get values() {
+    const latest = this.history.at(-1);
+
+    if (!latest) {
+      throw new Error("Infraestructura sin revisión.");
+    }
+
+    return latest.values;
+  }
+
+  update(values: InfrastructureValues, actorId: UniqueID, recordedAt: string) {
+    if (!z.iso.datetime().safeParse(recordedAt).success) {
+      return Result.fail(new AssetCatalogError("INVALID_REQUEST"));
+    }
+
+    return Result.ok(
+      this.values.equals(values)
+        ? this
+        : new AssetInfrastructure(
+            {
+              ...this.props,
+              history: [
+                ...this.history,
+                InfrastructureRevision.create({ values, actorId, recordedAt }),
+              ],
+            },
+            this.id
+          )
+    );
+  }
+}
diff --git a/modules/assets/src/api/domain/infrastructure-interface.entity.ts b/modules/assets/src/api/domain/infrastructure-interface.entity.ts
new file mode 100644
index 0000000..43edc85
--- /dev/null
+++ b/modules/assets/src/api/domain/infrastructure-interface.entity.ts
@@ -0,0 +1,36 @@
+import type { UniqueID } from "@repo/rdx-ddd";
+import { DomainEntity } from "@repo/rdx-ddd";
+
+import type { InfrastructureData } from "./infrastructure-values";
+import type { InterfaceAddress } from "./interface-address.entity";
+
+type InterfaceProps = Readonly<{
+  name: string;
+  kind: InfrastructureData["interfaces"][number]["kind"];
+  mac: string;
+  notes: string;
+  addresses: readonly InterfaceAddress[];
+}>;
+
+export class InfrastructureInterface extends DomainEntity<InterfaceProps> {
+  static rehydrate(id: UniqueID, props: InterfaceProps) {
+    return new InfrastructureInterface(
+      Object.freeze({ ...props, addresses: Object.freeze([...props.addresses]) }),
+      id
+    );
+  }
+
+  toPrimitive(): InfrastructureData["interfaces"][number] {
+    return {
+      id: this.id.toPrimitive(),
+      name: this.props.name,
+      kind: this.props.kind,
+      mac: this.props.mac,
+      notes: this.props.notes,
+      addresses: this.props.addresses.map((item) => ({
+        id: item.id.toPrimitive(),
+        address: item.address,
+      })),
+    };
+  }
+}
diff --git a/modules/assets/src/api/domain/infrastructure-revision.entity.ts b/modules/assets/src/api/domain/infrastructure-revision.entity.ts
new file mode 100644
index 0000000..30a9ed4
--- /dev/null
+++ b/modules/assets/src/api/domain/infrastructure-revision.entity.ts
@@ -0,0 +1,32 @@
+import type { UniqueID } from "@repo/rdx-ddd";
+import { DomainEntity } from "@repo/rdx-ddd";
+
+import type { InfrastructureValues } from "./value-objects/infrastructure-values.vo";
+
+type RevisionProps = Readonly<{
+  values: InfrastructureValues;
+  actorId: UniqueID;
+  recordedAt: string;
+}>;
+
+export class InfrastructureRevision extends DomainEntity<RevisionProps> {
+  static create(props: RevisionProps) {
+    return new InfrastructureRevision(Object.freeze(props));
+  }
+
+  static rehydrate(id: UniqueID, props: RevisionProps) {
+    return new InfrastructureRevision(Object.freeze(props), id);
+  }
+
+  get values() {
+    return this.props.values;
+  }
+
+  get actorId() {
+    return this.props.actorId;
+  }
+
+  get recordedAt() {
+    return this.props.recordedAt;
+  }
+}
diff --git a/modules/assets/src/api/domain/infrastructure-values.ts b/modules/assets/src/api/domain/infrastructure-values.ts
new file mode 100644
index 0000000..81cbfd6
--- /dev/null
+++ b/modules/assets/src/api/domain/infrastructure-values.ts
@@ -0,0 +1,51 @@
+import { z } from "zod/v4";
+
+export const InfrastructureRoleSchema = z.enum([
+  "network",
+  "server",
+  "storage",
+  "shared_peripheral",
+]);
+
+export const InterfaceAddressInputSchema = z.strictObject({
+  id: z.uuid().optional(),
+  address: z
+    .union([z.ipv4(), z.ipv6()])
+    .transform((value) =>
+      value.includes(":") ? new URL(`http://[${value}]`).hostname.slice(1, -1) : value
+    ),
+});
+
+export const InfrastructureInterfaceInputSchema = z.strictObject({
+  id: z.uuid().optional(),
+  name: z.string().trim().min(1).max(100),
+  kind: z.enum(["ethernet", "wifi", "other"]),
+  mac: z
+    .string()
+    .trim()
+    .max(17)
+    .refine((value) => !value || /^(?:[0-9a-f]{2}[:-]){5}[0-9a-f]{2}$/i.test(value))
+    .transform((value) => value.replaceAll("-", ":").toUpperCase()),
+  notes: z.string().trim().max(2000),
+  addresses: z.array(InterfaceAddressInputSchema).max(32),
+});
+
+export const InfrastructureInputSchema = z.strictObject({
+  roles: z.array(InfrastructureRoleSchema).max(4),
+  interfaces: z.array(InfrastructureInterfaceInputSchema).max(32),
+});
+
+export const InfrastructureValuesSchema = InfrastructureInputSchema.extend({
+  interfaces: z
+    .array(
+      InfrastructureInterfaceInputSchema.extend({
+        id: z.uuid(),
+        addresses: z.array(InterfaceAddressInputSchema.extend({ id: z.uuid() })).max(32),
+      })
+    )
+    .max(32),
+});
+
+export type InfrastructureInput = z.infer<typeof InfrastructureInputSchema>;
+
+export type InfrastructureData = z.infer<typeof InfrastructureValuesSchema>;
diff --git a/modules/assets/src/api/domain/infrastructure.test.ts b/modules/assets/src/api/domain/infrastructure.test.ts
new file mode 100644
index 0000000..9d8f529
--- /dev/null
+++ b/modules/assets/src/api/domain/infrastructure.test.ts
@@ -0,0 +1,177 @@
+import assert from "node:assert/strict";
+import { test } from "node:test";
+
+import { UniqueID } from "@repo/rdx-ddd";
+
+import { AssetInfrastructure } from "./asset-infrastructure.aggregate";
+import type { InfrastructureInput } from "./infrastructure-values";
+import { InfrastructureValues } from "./value-objects/infrastructure-values.vo";
+
+function input(): InfrastructureInput {
+  return {
+    roles: ["shared_peripheral", "network"],
+    interfaces: [
+      {
+        name: "Ethernet",
+        kind: "ethernet",
+        mac: "aa-bb-cc-dd-ee-ff",
+        notes: " Red local ",
+        addresses: [{ address: "192.168.5.201" }, { address: "2001:0DB8:0:0::1" }],
+      },
+      { name: "Wi-Fi", kind: "wifi", mac: "", notes: "", addresses: [] },
+    ],
+  };
+}
+
+test("infraestructura: interfaces independientes, varias IP, normalización y UUID v7", () => {
+  const source = input();
+  const result = InfrastructureValues.create(source);
+
+  assert.ok(result.isSuccess);
+  const values = result.data.toPrimitive();
+
+  assert.equal(values.interfaces[0]?.mac, "AA:BB:CC:DD:EE:FF");
+  assert.equal(values.interfaces[0]?.notes, "Red local");
+  assert.equal(values.interfaces[0]?.addresses[1]?.address, "2001:db8::1");
+  assert.deepEqual(values.interfaces[1]?.addresses, []);
+  for (const item of values.interfaces) {
+    assert.equal(item.id[14], "7");
+    for (const address of item.addresses) {
+      assert.equal(address.id[14], "7");
+    }
+  }
+  assert.equal(source.interfaces[0]?.mac, "aa-bb-cc-dd-ee-ff");
+  values.roles.push("server");
+  assert.equal(result.data.roles.includes("server"), false);
+});
+
+test("infraestructura: mismo contenido no cambia identidades ni añade revisiones", () => {
+  const first = InfrastructureValues.create(input());
+
+  assert.ok(first.isSuccess);
+  const actor = UniqueID.generateNewID();
+  const created = AssetInfrastructure.create(
+    UniqueID.generateNewID(),
+    UniqueID.generateNewID(),
+    first.data,
+    actor,
+    "2026-10-17T10:00:00.000Z"
+  );
+
+  assert.ok(created.isSuccess);
+  const same = InfrastructureValues.create(input(), first.data);
+
+  assert.ok(same.isSuccess);
+  assert.deepEqual(same.data.toPrimitive(), first.data.toPrimitive());
+  const unchanged = created.data.update(same.data, actor, "2026-10-17T11:00:00.000Z");
+
+  assert.ok(unchanged.isSuccess);
+  assert.equal(unchanged.data, created.data);
+  const draft = first.data.toPrimitive();
+  const eth = draft.interfaces[0];
+
+  assert.ok(eth);
+  eth.name = "LAN principal";
+  eth.addresses = [
+    {
+      address: "192.168.5.202",
+      id: eth.addresses[0]?.id ?? UniqueID.generateNewID().toPrimitive(),
+    },
+  ];
+  const changedValues = InfrastructureValues.create(draft, first.data);
+
+  assert.ok(changedValues.isSuccess);
+  const changed = created.data.update(changedValues.data, actor, "2026-10-17T12:00:00.000Z");
+
+  assert.ok(changed.isSuccess);
+  assert.ok(changed.data.id.equals(created.data.id));
+  assert.equal(changed.data.history.length, 2);
+  assert.equal(
+    changed.data.values.toPrimitive().interfaces[0]?.id,
+    first.data.toPrimitive().interfaces[0]?.id
+  );
+  assert.equal(
+    changed.data.history[0]?.values.toPrimitive().interfaces[0]?.addresses[0]?.address,
+    "192.168.5.201"
+  );
+});
+
+test("infraestructura: rechaza nombres/IP duplicados, valores inválidos e identidades ajenas", () => {
+  const base = input();
+  const iface = base.interfaces[0];
+
+  assert.ok(iface);
+  const invalid: InfrastructureInput[] = [
+    { roles: ["network", "network"], interfaces: [] },
+    { roles: [], interfaces: [iface, { ...iface, name: " ETHERNET " }] },
+    {
+      roles: [],
+      interfaces: [
+        { ...iface, addresses: [{ address: "2001:db8::1" }, { address: "2001:0db8:0:0::1" }] },
+      ],
+    },
+    { roles: [], interfaces: [{ ...iface, addresses: [{ address: "192.168.5.201/24" }] }] },
+    { roles: [], interfaces: [{ ...iface, addresses: [{ address: "999.1.1.1" }] }] },
+    { roles: [], interfaces: [{ ...iface, mac: "not-a-mac" }] },
+    { roles: [], interfaces: [{ ...iface, id: UniqueID.generateNewID().toPrimitive() }] },
+    {
+      roles: [],
+      interfaces: [
+        {
+          ...iface,
+          addresses: [{ address: "192.168.5.201", id: UniqueID.generateNewID().toPrimitive() }],
+        },
+      ],
+    },
+  ];
+
+  for (const value of invalid) {
+    assert.equal(InfrastructureValues.create(value).isSuccess, false);
+  }
+  const original = InfrastructureValues.create(base);
+
+  assert.ok(original.isSuccess);
+  const stolen = original.data.toPrimitive();
+  const address = stolen.interfaces[0]?.addresses[0];
+  const wifi = stolen.interfaces[1];
+
+  assert.ok(address && wifi);
+  wifi.addresses.push(address);
+  assert.equal(InfrastructureValues.create(stolen, original.data).isSuccess, false);
+});
+
+test("infraestructura: límites y direcciones repetidas entre interfaces o compañías permitidas", () => {
+  const interfaces = Array.from({ length: 32 }, (_, index) => ({
+    name: `LAN ${index}`,
+    kind: "ethernet" as const,
+    mac: "",
+    notes: "",
+    addresses: [{ address: "192.168.5.201" }],
+  }));
+
+  assert.ok(InfrastructureValues.create({ roles: [], interfaces }).isSuccess);
+  assert.equal(
+    InfrastructureValues.create({
+      roles: [],
+      interfaces: [
+        ...interfaces,
+        { name: "LAN extra", kind: "other", mac: "", notes: "", addresses: [] },
+      ],
+    }).isSuccess,
+    false
+  );
+  assert.ok(InfrastructureValues.create({ roles: [], interfaces: [] }).isSuccess);
+  const other = InfrastructureValues.create(input());
+
+  assert.ok(other.isSuccess);
+  assert.equal(
+    AssetInfrastructure.create(
+      UniqueID.generateNewID(),
+      UniqueID.generateNewID(),
+      other.data,
+      UniqueID.generateNewID(),
+      "not-a-date"
+    ).isSuccess,
+    false
+  );
+});
diff --git a/modules/assets/src/api/domain/interface-address.entity.ts b/modules/assets/src/api/domain/interface-address.entity.ts
new file mode 100644
index 0000000..f7c41b5
--- /dev/null
+++ b/modules/assets/src/api/domain/interface-address.entity.ts
@@ -0,0 +1,12 @@
+import { DomainEntity, type UniqueID } from "@repo/rdx-ddd";
+
+/** Identidad estable de una dirección dentro de la interfaz y sus revisiones. */
+export class InterfaceAddress extends DomainEntity<{ address: string }> {
+  static rehydrate(id: UniqueID, address: string) {
+    return new InterfaceAddress({ address }, id);
+  }
+
+  get address() {
+    return this.props.address;
+  }
+}
diff --git a/modules/assets/src/api/domain/value-objects/infrastructure-values.vo.ts b/modules/assets/src/api/domain/value-objects/infrastructure-values.vo.ts
new file mode 100644
index 0000000..f6f1078
--- /dev/null
+++ b/modules/assets/src/api/domain/value-objects/infrastructure-values.vo.ts
@@ -0,0 +1,153 @@
+import { UniqueID } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import { AssetCatalogError } from "../asset-definition";
+import { InfrastructureInterface } from "../infrastructure-interface.entity";
+import type { InfrastructureData, InfrastructureInput } from "../infrastructure-values";
+import { InfrastructureInputSchema, InfrastructureValuesSchema } from "../infrastructure-values";
+import { InterfaceAddress } from "../interface-address.entity";
+
+export function infrastructureIdentity(value: string) {
+  const id = UniqueID.create(value);
+
+  if (!id.isSuccess) {
+    throw new Error("Identidad de infraestructura persistida inválida.");
+  }
+
+  return id.data;
+}
+
+export class InfrastructureValues {
+  private constructor(
+    readonly roles: readonly InfrastructureData["roles"][number][],
+    readonly interfaces: readonly InfrastructureInterface[]
+  ) {
+    Object.freeze(this);
+  }
+
+  static create(input: InfrastructureInput, previous?: InfrastructureValues) {
+    const parsed = InfrastructureInputSchema.safeParse(input);
+
+    if (!parsed.success) {
+      return Result.fail(new AssetCatalogError("INVALID_REQUEST"));
+    }
+    const old = previous?.toPrimitive().interfaces ?? [];
+    const interfaces = parsed.data.interfaces.map((item) => {
+      const existing = item.id
+        ? old.find((entry) => entry.id === item.id)
+        : old.find(
+            (entry) => entry.name.toLocaleLowerCase("es") === item.name.toLocaleLowerCase("es")
+          );
+
+      return {
+        ...item,
+        id: item.id ?? existing?.id ?? UniqueID.generateNewID().toPrimitive(),
+        addresses: item.addresses.map((address) => ({
+          ...address,
+          id:
+            address.id ??
+            existing?.addresses.find((entry) => entry.address === address.address)?.id ??
+            UniqueID.generateNewID().toPrimitive(),
+        })),
+      };
+    });
+
+    if (
+      interfaces.some((item) => {
+        const existing = old.find((entry) => entry.id === item.id);
+
+        return (
+          (parsed.data.interfaces.some((entry) => entry.id === item.id) && !existing) ||
+          item.addresses.some(
+            (address) =>
+              parsed.data.interfaces
+                .flatMap((entry) => entry.addresses)
+                .some((entry) => entry.id === address.id) &&
+              !existing?.addresses.some((entry) => entry.id === address.id)
+          )
+        );
+      })
+    ) {
+      return Result.fail(new AssetCatalogError("INVALID_REQUEST"));
+    }
+
+    return InfrastructureValues.reconstruct({ roles: parsed.data.roles, interfaces });
+  }
+
+  static reconstruct(data: InfrastructureData) {
+    const parsed = InfrastructureValuesSchema.safeParse(data);
+
+    if (!parsed.success) {
+      return Result.fail(new AssetCatalogError("INVALID_REQUEST"));
+    }
+    const values = parsed.data;
+    const names = values.interfaces.map((item) => item.name.toLocaleLowerCase("es"));
+    const ids = values.interfaces.flatMap((item) => [
+      item.id,
+      ...item.addresses.map((address) => address.id),
+    ]);
+
+    if (
+      new Set(names).size !== names.length ||
+      new Set(ids).size !== ids.length ||
+      new Set(values.roles).size !== values.roles.length ||
+      values.interfaces.some(
+        (item) =>
+          new Set(item.addresses.map((address) => address.address)).size !== item.addresses.length
+      )
+    ) {
+      return Result.fail(new AssetCatalogError("INVALID_REQUEST"));
+    }
+
+    return Result.ok(
+      new InfrastructureValues(
+        Object.freeze([...values.roles].sort()),
+        Object.freeze(
+          values.interfaces.map((item) =>
+            InfrastructureInterface.rehydrate(infrastructureIdentity(item.id), {
+              ...item,
+              addresses: item.addresses.map((address) =>
+                InterfaceAddress.rehydrate(infrastructureIdentity(address.id), address.address)
+              ),
+            })
+          )
+        )
+      )
+    );
+  }
+
+  toPrimitive(): InfrastructureData {
+    return {
+      roles: [...this.roles],
+      interfaces: this.interfaces.map((item) => item.toPrimitive()),
+    };
+  }
+
+  equals(other: InfrastructureValues) {
+    const a = this.toPrimitive();
+    const b = other.toPrimitive();
+
+    return (
+      a.roles.join() === b.roles.join() &&
+      a.interfaces.length === b.interfaces.length &&
+      a.interfaces.every((item, index) => {
+        const next = b.interfaces[index];
+
+        return (
+          next &&
+          item.id === next.id &&
+          item.name === next.name &&
+          item.kind === next.kind &&
+          item.mac === next.mac &&
+          item.notes === next.notes &&
+          item.addresses.length === next.addresses.length &&
+          item.addresses.every(
+            (address, position) =>
+              address.id === next.addresses[position]?.id &&
+              address.address === next.addresses[position]?.address
+          )
+        );
+      })
+    );
+  }
+}
diff --git a/modules/assets/src/api/infrastructure/http/infrastructure.routes.ts b/modules/assets/src/api/infrastructure/http/infrastructure.routes.ts
new file mode 100644
index 0000000..c771a9c
--- /dev/null
+++ b/modules/assets/src/api/infrastructure/http/infrastructure.routes.ts
@@ -0,0 +1,84 @@
+import type { Application, RequestHandler, Response } from "express";
+import { Router } from "express";
+import { z } from "zod/v4";
+
+import {
+  InfrastructureItemParamsSchema,
+  InfrastructureParamsSchema,
+  SaveInfrastructureRequestSchema,
+} from "../../../common/infrastructure";
+import type { InfrastructureUseCases } from "../../application/infrastructure.use-cases";
+import { buildInfrastructureResponse } from "../../application/infrastructure-response.builder";
+
+function fail(response: Response, code: string) {
+  response
+    .status(code.endsWith("NOT_FOUND") ? 404 : 400)
+    .json({ code, requestId: response.getHeader("x-request-id") });
+}
+
+export function registerInfrastructureRoutes(
+  app: Application,
+  service: InfrastructureUseCases,
+  authenticate: RequestHandler
+) {
+  const router = Router();
+
+  router.get("/:companyId", (request, response, next) => {
+    const params = InfrastructureParamsSchema.safeParse(request.params);
+
+    if (!(params.success && z.strictObject({}).safeParse(request.query).success)) {
+      fail(response, "INVALID_REQUEST");
+
+      return;
+    }
+    service
+      .get(params.data.companyId)
+      .then((result) => {
+        if (!result.isSuccess) {
+          fail(response, result.error.code);
+
+          return;
+        }
+        response.json({
+          items: result.data.items.map((item) =>
+            buildInfrastructureResponse(item, result.data.actorNames)
+          ),
+        });
+      })
+      .catch(next);
+  });
+  router.post("/:companyId/:assetId", (request, response, next) => {
+    const params = InfrastructureItemParamsSchema.safeParse(request.params);
+    const body = SaveInfrastructureRequestSchema.safeParse(request.body);
+    const actor = z
+      .object({ userId: z.uuid() })
+      .safeParse("session" in request ? request.session : undefined);
+
+    if (
+      !(
+        params.success &&
+        body.success &&
+        actor.success &&
+        z.strictObject({}).safeParse(request.query).success
+      )
+    ) {
+      fail(response, "INVALID_REQUEST");
+
+      return;
+    }
+    service
+      .save(params.data.companyId, params.data.assetId, body.data.values, actor.data.userId)
+      .then((result) => {
+        if (!result.isSuccess) {
+          fail(response, result.error.code);
+
+          return;
+        }
+        response.json({
+          item: buildInfrastructureResponse(result.data.item, result.data.actorNames),
+        });
+      })
+      .catch(next);
+  });
+  app.use("/api/asset-infrastructure", authenticate, router);
+}
diff --git a/modules/assets/src/api/infrastructure/persistence/infrastructure-migration.ts b/modules/assets/src/api/infrastructure/persistence/infrastructure-migration.ts
new file mode 100644
index 0000000..d4f7d5e
--- /dev/null
+++ b/modules/assets/src/api/infrastructure/persistence/infrastructure-migration.ts
@@ -0,0 +1,91 @@
+import type { Sequelize } from "sequelize";
+import { DataTypes, QueryTypes } from "sequelize";
+
+export async function migrateInfrastructure(database: Sequelize) {
+  const query = database.getQueryInterface();
+  const tables = await database.query<{ name: string }>(
+    "SELECT TABLE_NAME AS name FROM information_schema.TABLES WHERE TABLE_SCHEMA=DATABASE()",
+    { type: QueryTypes.SELECT }
+  );
+  const id = { type: DataTypes.UUID, primaryKey: true };
+
+  const fk = (table: string) => ({
+    type: DataTypes.UUID,
+    allowNull: false,
+    references: { model: table, key: "id" },
+    onDelete: "RESTRICT",
+  });
+
+  const revision = () => ({ ...fk("asset_infrastructure_revisions"), primaryKey: true });
+
+  const definitions = [
+    [
+      "asset_infrastructure",
+      { id, companyId: fk("companies"), assetId: { ...fk("assets"), unique: true } },
+    ],
+    [
+      "asset_infrastructure_revisions",
+      {
+        id,
+        infrastructureId: fk("asset_infrastructure"),
+        actorId: fk("users"),
+        recordedAt: { type: DataTypes.STRING(30), allowNull: false },
+        position: { type: DataTypes.INTEGER, allowNull: false },
+      },
+    ],
+    [
+      "asset_infrastructure_roles",
+      { revisionId: revision(), role: { type: DataTypes.STRING(30), primaryKey: true } },
+    ],
+    [
+      "asset_interface_snapshots",
+      {
+        revisionId: revision(),
+        id,
+        name: { type: DataTypes.STRING(100), allowNull: false },
+        kind: { type: DataTypes.STRING(12), allowNull: false },
+        mac: { type: DataTypes.STRING(17), allowNull: false },
+        notes: { type: DataTypes.TEXT, allowNull: false },
+        position: { type: DataTypes.INTEGER, allowNull: false },
+      },
+    ],
+    [
+      "asset_interface_address_snapshots",
+      {
+        revisionId: revision(),
+        id,
+        interfaceId: { type: DataTypes.UUID, allowNull: false },
+        address: { type: DataTypes.STRING(45), allowNull: false },
+        position: { type: DataTypes.INTEGER, allowNull: false },
+      },
+    ],
+  ] as const;
+
+  for (const [table, columns] of definitions) {
+    if (!tables.some((row) => row.name === table)) {
+      await query.createTable(table, columns);
+    }
+  }
+  const constraints = await database.query<{ name: string }>(
+    "SELECT CONSTRAINT_NAME AS name FROM information_schema.TABLE_CONSTRAINTS WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME IN ('asset_infrastructure','asset_interface_address_snapshots','asset_infrastructure_revisions')",
+    { type: QueryTypes.SELECT }
+  );
+
+  if (!constraints.some((row) => row.name === "infrastructure_asset_company")) {
+    await database.query(
+      "ALTER TABLE asset_infrastructure ADD CONSTRAINT infrastructure_asset_company FOREIGN KEY (companyId,assetId) REFERENCES assets(companyId,id)"
+    );
+  }
+  if (!constraints.some((row) => row.name === "interface_address_owner")) {
+    await database.query(
+      "ALTER TABLE asset_interface_address_snapshots ADD CONSTRAINT interface_address_owner FOREIGN KEY (revisionId,interfaceId) REFERENCES asset_interface_snapshots(revisionId,id)"
+    );
+  }
+  if (!constraints.some((row) => row.name === "infrastructure_revision_position")) {
+    await query.addConstraint("asset_infrastructure_revisions", {
+      fields: ["infrastructureId", "position"],
+      type: "unique",
+      name: "infrastructure_revision_position",
+    });
+  }
+}
diff --git a/modules/assets/src/api/infrastructure/persistence/infrastructure-persistence.mapper.ts b/modules/assets/src/api/infrastructure/persistence/infrastructure-persistence.mapper.ts
new file mode 100644
index 0000000..b76cc65
--- /dev/null
+++ b/modules/assets/src/api/infrastructure/persistence/infrastructure-persistence.mapper.ts
@@ -0,0 +1,100 @@
+import { z } from "zod/v4";
+
+import { AssetInfrastructure } from "../../domain/asset-infrastructure.aggregate";
+import { InfrastructureRevision } from "../../domain/infrastructure-revision.entity";
+import {
+  InfrastructureRoleSchema,
+  InfrastructureValuesSchema,
+} from "../../domain/infrastructure-values";
+import {
+  InfrastructureValues,
+  infrastructureIdentity,
+} from "../../domain/value-objects/infrastructure-values.vo";
+
+export const InfrastructureRootRowSchema = z.object({
+  id: z.uuid(),
+  companyId: z.uuid(),
+  assetId: z.uuid(),
+});
+
+export const InfrastructureRevisionRowSchema = z.object({
+  id: z.uuid(),
+  infrastructureId: z.uuid(),
+  actorId: z.uuid(),
+  recordedAt: z.iso.datetime(),
+  position: z.number().int().nonnegative(),
+});
+
+export const InfrastructureRoleRowSchema = z.object({
+  revisionId: z.uuid(),
+  role: InfrastructureRoleSchema,
+});
+
+export const InterfaceRowSchema = InfrastructureValuesSchema.shape.interfaces.element
+  .omit({ addresses: true })
+  .extend({ revisionId: z.uuid(), position: z.number().int().nonnegative() });
+
+export const AddressRowSchema =
+  InfrastructureValuesSchema.shape.interfaces.element.shape.addresses.element.extend({
+    revisionId: z.uuid(),
+    interfaceId: z.uuid(),
+    position: z.number().int().nonnegative(),
+  });
+
+export class InfrastructurePersistenceMapper {
+  toDomain(
+    root: z.infer<typeof InfrastructureRootRowSchema>,
+    revisions: z.infer<typeof InfrastructureRevisionRowSchema>[],
+    roles: z.infer<typeof InfrastructureRoleRowSchema>[],
+    interfaces: z.infer<typeof InterfaceRowSchema>[],
+    addresses: z.infer<typeof AddressRowSchema>[]
+  ) {
+    const history = revisions
+      .filter((row) => row.infrastructureId === root.id)
+      .sort((a, b) => a.position - b.position)
+      .map((row, index) => {
+        if (row.position !== index) {
+          throw new Error("Secuencia de infraestructura inconsistente.");
+        }
+        const values = InfrastructureValues.reconstruct({
+          roles: roles.filter((role) => role.revisionId === row.id).map((role) => role.role),
+          interfaces: interfaces
+            .filter((item) => item.revisionId === row.id)
+            .sort((a, b) => a.position - b.position)
+            .map((item) => ({
+              id: item.id,
+              name: item.name,
+              kind: item.kind,
+              mac: item.mac,
+              notes: item.notes,
+              addresses: addresses
+                .filter(
+                  (address) => address.revisionId === row.id && address.interfaceId === item.id
+                )
+                .sort((a, b) => a.position - b.position)
+                .map((address) => ({ id: address.id, address: address.address })),
+            })),
+        });
+
+        if (!values.isSuccess) {
+          throw new Error("Valores de infraestructura persistidos inválidos.");
+        }
+
+        return InfrastructureRevision.rehydrate(infrastructureIdentity(row.id), {
+          values: values.data,
+          actorId: infrastructureIdentity(row.actorId),
+          recordedAt: row.recordedAt,
+        });
+      });
+
+    if (!history.length) {
+      throw new Error("Infraestructura persistida sin historial.");
+    }
+
+    return AssetInfrastructure.rehydrate(infrastructureIdentity(root.id), {
+      companyId: infrastructureIdentity(root.companyId),
+      assetId: infrastructureIdentity(root.assetId),
+      history,
+    });
+  }
+}
diff --git a/modules/assets/src/api/infrastructure/persistence/remove-asset-infrastructure.ts b/modules/assets/src/api/infrastructure/persistence/remove-asset-infrastructure.ts
new file mode 100644
index 0000000..6c04418
--- /dev/null
+++ b/modules/assets/src/api/infrastructure/persistence/remove-asset-infrastructure.ts
@@ -0,0 +1,30 @@
+import type { Sequelize, Transaction } from "sequelize";
+
+/** Datos propios del activo: su borrado acompaña a la eliminación del inventario en la misma transacción. */
+export async function removeAssetInfrastructure(
+  database: Sequelize,
+  companyId: string,
+  assetId: string,
+  transaction: Transaction
+) {
+  const replacements = { companyId, assetId };
+
+  for (const table of [
+    "asset_interface_address_snapshots",
+    "asset_interface_snapshots",
+    "asset_infrastructure_roles",
+  ]) {
+    await database.query(
+      `DELETE s FROM ${table} s JOIN asset_infrastructure_revisions r ON r.id=s.revisionId JOIN asset_infrastructure i ON i.id=r.infrastructureId WHERE i.companyId=:companyId AND i.assetId=:assetId`,
+      { replacements, transaction }
+    );
+  }
+  await database.query(
+    "DELETE r FROM asset_infrastructure_revisions r JOIN asset_infrastructure i ON i.id=r.infrastructureId WHERE i.companyId=:companyId AND i.assetId=:assetId",
+    { replacements, transaction }
+  );
+  await database.query(
+    "DELETE FROM asset_infrastructure WHERE companyId=:companyId AND assetId=:assetId",
+    { replacements, transaction }
+  );
+}
diff --git a/modules/assets/src/api/infrastructure/persistence/sequelize-asset.repository.ts b/modules/assets/src/api/infrastructure/persistence/sequelize-asset.repository.ts
index 7b49d0a..e20f17b 100644
--- a/modules/assets/src/api/infrastructure/persistence/sequelize-asset.repository.ts
+++ b/modules/assets/src/api/infrastructure/persistence/sequelize-asset.repository.ts
@@ -16,6 +16,7 @@ import { sqlIdentifier } from "./asset-relational-sql";
 import { RelationshipModel } from "./asset-relationship.model";
 import { AssetRelationshipPersistenceMapper } from "./asset-relationship-persistence.mapper";
 import { loadWorkstations } from "./load-workstations";
+import { removeAssetInfrastructure } from "./remove-asset-infrastructure";
 import { readBrands } from "./sequelize-brand.repository";
 import { WorkstationAssetModel } from "./workstation.model";
 import { WorkstationPersistenceMapper } from "./workstation-persistence.mapper";
@@ -244,6 +245,7 @@ export class SequelizeAssetRepository implements IAssetRepository {
       { type: QueryTypes.SELECT, transaction }
     );
     const ownedTables = new Set([
+      "asset_infrastructure",
       "asset_characteristics",
       "asset_revision_characteristics",
       "asset_revisions",
@@ -270,6 +272,7 @@ export class SequelizeAssetRepository implements IAssetRepository {
   }
 
   private async removeInventory(assetId: string, companyId: string, transaction: Transaction) {
+    await removeAssetInfrastructure(this.database, companyId, assetId, transaction);
     for (const table of [
       "asset_revision_characteristics",
       "asset_characteristics",
diff --git a/modules/assets/src/api/infrastructure/persistence/sequelize-infrastructure.repository.ts b/modules/assets/src/api/infrastructure/persistence/sequelize-infrastructure.repository.ts
new file mode 100644
index 0000000..1cf1168
--- /dev/null
+++ b/modules/assets/src/api/infrastructure/persistence/sequelize-infrastructure.repository.ts
@@ -0,0 +1,141 @@
+import type { UniqueID } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+import type { Sequelize, Transaction } from "sequelize";
+import { QueryTypes } from "sequelize";
+import { z } from "zod/v4";
+
+import type { IInfrastructureRepository } from "../../application/infrastructure.repository";
+import { AssetCatalogError } from "../../domain/asset-definition";
+
+import { writeAssetRow } from "./asset-relational-sql";
+import {
+  AddressRowSchema,
+  InfrastructurePersistenceMapper,
+  InfrastructureRevisionRowSchema,
+  InfrastructureRoleRowSchema,
+  InfrastructureRootRowSchema,
+  InterfaceRowSchema,
+} from "./infrastructure-persistence.mapper";
+import { writeInfrastructureRevision } from "./write-infrastructure-revision";
+
+export class SequelizeInfrastructureRepository implements IInfrastructureRepository {
+  constructor(private readonly database: Sequelize) {}
+
+  private async load(company: UniqueID, transaction: Transaction, lock = false) {
+    const companies = await this.database.query<{ id: string }>(
+      `SELECT id FROM companies WHERE id=:id${lock ? " FOR UPDATE" : ""}`,
+      { replacements: { id: company.toPrimitive() }, type: QueryTypes.SELECT, transaction }
+    );
+
+    if (!companies.length) {
+      return Result.fail(new AssetCatalogError("COMPANY_NOT_FOUND"));
+    }
+
+    const select = async (table: string) =>
+      this.database.query(
+        `SELECT t.* FROM ${table} t JOIN asset_infrastructure_revisions r ON r.id=t.revisionId JOIN asset_infrastructure i ON i.id=r.infrastructureId WHERE i.companyId=:companyId`,
+        { replacements: { companyId: company.toPrimitive() }, type: QueryTypes.SELECT, transaction }
+      );
+
+    const roots = z.array(InfrastructureRootRowSchema).parse(
+      await this.database.query("SELECT * FROM asset_infrastructure WHERE companyId=:companyId", {
+        replacements: { companyId: company.toPrimitive() },
+        type: QueryTypes.SELECT,
+        transaction,
+      })
+    );
+    const revisions = z.array(InfrastructureRevisionRowSchema).parse(
+      await this.database.query(
+        "SELECT r.* FROM asset_infrastructure_revisions r JOIN asset_infrastructure i ON i.id=r.infrastructureId WHERE i.companyId=:companyId",
+        {
+          replacements: { companyId: company.toPrimitive() },
+          type: QueryTypes.SELECT,
+          transaction,
+        }
+      )
+    );
+    const roles = z
+      .array(InfrastructureRoleRowSchema)
+      .parse(await select("asset_infrastructure_roles"));
+    const interfaces = z.array(InterfaceRowSchema).parse(await select("asset_interface_snapshots"));
+    const addresses = z
+      .array(AddressRowSchema)
+      .parse(await select("asset_interface_address_snapshots"));
+    const actors = z.array(z.object({ id: z.uuid(), name: z.string() })).parse(
+      await this.database.query("SELECT id,name FROM users", {
+        type: QueryTypes.SELECT,
+        transaction,
+      })
+    );
+    const mapper = new InfrastructurePersistenceMapper();
+
+    return Result.ok({
+      items: roots.map((root) => mapper.toDomain(root, revisions, roles, interfaces, addresses)),
+      actorNames: new Map(actors.map((actor) => [actor.id, actor.name])),
+    });
+  }
+
+  get(company: UniqueID) {
+    return this.database.transaction((transaction) => this.load(company, transaction));
+  }
+
+  save(
+    company: UniqueID,
+    asset: UniqueID,
+    change: Parameters<IInfrastructureRepository["save"]>[2]
+  ) {
+    return this.database.transaction(async (transaction) => {
+      const loaded = await this.load(company, transaction, true);
+
+      if (!loaded.isSuccess) {
+        return Result.fail(loaded.error);
+      }
+      const assets = await this.database.query<{ id: string }>(
+        "SELECT id FROM assets WHERE companyId=:companyId AND id=:assetId FOR UPDATE",
+        {
+          replacements: { companyId: company.toPrimitive(), assetId: asset.toPrimitive() },
+          type: QueryTypes.SELECT,
+          transaction,
+        }
+      );
+
+      if (!assets.length) {
+        return Result.fail(new AssetCatalogError("ASSET_NOT_FOUND"));
+      }
+      const previous = loaded.data.items.find((item) => item.assetId.equals(asset));
+      const changed = change(previous);
+
+      if (!changed.isSuccess) {
+        return Result.fail(changed.error);
+      }
+      const item = changed.data;
+
+      if (!previous) {
+        await writeAssetRow(
+          this.database,
+          "asset_infrastructure",
+          {
+            id: item.id.toPrimitive(),
+            companyId: company.toPrimitive(),
+            assetId: asset.toPrimitive(),
+          },
+          transaction
+        );
+      }
+      for (const [position, revision] of item.history.entries()) {
+        if (previous?.history.some((old) => old.id.equals(revision.id))) {
+          continue;
+        }
+        await writeInfrastructureRevision(
+          this.database,
+          item.id.toPrimitive(),
+          revision,
+          position,
+          transaction
+        );
+      }
+
+      return Result.ok({ item, actorNames: loaded.data.actorNames });
+    });
+  }
+}
diff --git a/modules/assets/src/api/infrastructure/persistence/write-infrastructure-revision.ts b/modules/assets/src/api/infrastructure/persistence/write-infrastructure-revision.ts
new file mode 100644
index 0000000..f686d38
--- /dev/null
+++ b/modules/assets/src/api/infrastructure/persistence/write-infrastructure-revision.ts
@@ -0,0 +1,64 @@
+import type { Sequelize, Transaction } from "sequelize";
+
+import type { InfrastructureRevision } from "../../domain/infrastructure-revision.entity";
+
+import { writeAssetRow } from "./asset-relational-sql";
+
+/** Solo inserta las instantáneas nuevas; el repositorio conserva las anteriores. */
+export async function writeInfrastructureRevision(
+  database: Sequelize,
+  infrastructureId: string,
+  revision: InfrastructureRevision,
+  position: number,
+  transaction: Transaction
+) {
+  const revisionId = revision.id.toPrimitive();
+
+  await writeAssetRow(
+    database,
+    "asset_infrastructure_revisions",
+    {
+      id: revisionId,
+      infrastructureId: infrastructureId,
+      actorId: revision.actorId.toPrimitive(),
+      recordedAt: revision.recordedAt,
+      position,
+    },
+    transaction
+  );
+  const values = revision.values.toPrimitive();
+
+  for (const role of values.roles) {
+    await writeAssetRow(database, "asset_infrastructure_roles", { revisionId, role }, transaction);
+  }
+  for (const [index, entry] of values.interfaces.entries()) {
+    await writeAssetRow(
+      database,
+      "asset_interface_snapshots",
+      {
+        revisionId,
+        id: entry.id,
+        name: entry.name,
+        kind: entry.kind,
+        mac: entry.mac,
+        notes: entry.notes,
+        position: index,
+      },
+      transaction
+    );
+    for (const [addressPosition, address] of entry.addresses.entries()) {
+      await writeAssetRow(
+        database,
+        "asset_interface_address_snapshots",
+        {
+          revisionId,
+          id: address.id,
+          interfaceId: entry.id,
+          address: address.address,
+          position: addressPosition,
+        },
+        transaction
+      );
+    }
+  }
+}
diff --git a/modules/assets/src/api/module.ts b/modules/assets/src/api/module.ts
index f87654c..4ff43dc 100644
--- a/modules/assets/src/api/module.ts
+++ b/modules/assets/src/api/module.ts
@@ -8,6 +8,7 @@ import { AssetUseCases } from "./application/asset.use-cases";
 import { AssetCatalogUseCases } from "./application/asset-catalog.use-cases";
 import { AssetRelationshipUseCases } from "./application/asset-relationship.use-cases";
 import { BrandUseCases } from "./application/brand.use-cases";
+import { InfrastructureUseCases } from "./application/infrastructure.use-cases";
 import { SupportUseCases } from "./application/support.use-cases";
 import { WorkstationUseCases } from "./application/workstation.use-cases";
 import { seedAssetCatalog } from "./domain/asset-catalog-seed";
@@ -15,6 +16,7 @@ import { registerAssetRoutes } from "./infrastructure/http/asset.routes";
 import { registerAssetCatalogRoutes } from "./infrastructure/http/asset-catalog.routes";
 import { registerRelationshipRoutes } from "./infrastructure/http/asset-relationship.routes";
 import { registerBrandRoutes } from "./infrastructure/http/brand.routes";
+import { registerInfrastructureRoutes } from "./infrastructure/http/infrastructure.routes";
 import { registerSupportRoutes } from "./infrastructure/http/support.routes";
 import { registerWorkstationRoutes } from "./infrastructure/http/workstation.routes";
 import { migrateInventory } from "./infrastructure/persistence/asset.model";
@@ -31,9 +33,11 @@ import {
 import { initializeAssetInventorySchema } from "./infrastructure/persistence/asset-relational-schema";
 import { migrateRelationships } from "./infrastructure/persistence/asset-relationship.model";
 import { migrateBrands } from "./infrastructure/persistence/brand-migration";
+import { migrateInfrastructure } from "./infrastructure/persistence/infrastructure-migration";
 import { SequelizeAssetRepository } from "./infrastructure/persistence/sequelize-asset.repository";
 import { SequelizeAssetCatalogRepository } from "./infrastructure/persistence/sequelize-asset-catalog.repository";
 import { SequelizeBrandRepository } from "./infrastructure/persistence/sequelize-brand.repository";
+import { SequelizeInfrastructureRepository } from "./infrastructure/persistence/sequelize-infrastructure.repository";
 import { SequelizeSupportRepository } from "./infrastructure/persistence/sequelize-support.repository";
 import { migrateSupport } from "./infrastructure/persistence/support-migration";
 import { migrateWorkstations } from "./infrastructure/persistence/workstation.model";
@@ -65,6 +69,10 @@ export async function createAssetModule(database: Sequelize, authenticate: Reque
   await initializeAssetInventorySchema(database);
   await enforceAssetRelationalConstraints(database);
   await migrateSupport(database);
+  await migrateInfrastructure(database);
+  const infrastructure = new InfrastructureUseCases(
+    new SequelizeInfrastructureRepository(database)
+  );
   const support = new SupportUseCases(new SequelizeSupportRepository(database));
   const assetRepository = new SequelizeAssetRepository(database);
   const inventory = new AssetUseCases(assetRepository);
@@ -101,6 +109,7 @@ export async function createAssetModule(database: Sequelize, authenticate: Reque
       },
     },
     register: (app: Parameters<typeof registerAssetCatalogRoutes>[0]) => {
+      registerInfrastructureRoutes(app, infrastructure, authenticate);
       registerBrandRoutes(app, brands, authenticate);
       registerAssetCatalogRoutes(app, useCases, authenticate);
       registerAssetRoutes(app, inventory, authenticate);
diff --git a/modules/assets/src/common/index.ts b/modules/assets/src/common/index.ts
index 2ae9089..7416699 100644
--- a/modules/assets/src/common/index.ts
+++ b/modules/assets/src/common/index.ts
@@ -20,6 +20,7 @@ export const CatalogItemSchema = z.strictObject({
   id: z.uuid(),
   companyId: z.uuid().nullable(),
   builtin: z.boolean(),
+  builtinKey: z.string().nullable().optional(),
   referenceCatalog: z.literal("brands").optional(),
   active: z.boolean(),
   effectiveActive: z.boolean(),
@@ -39,11 +40,8 @@ export type CatalogResponseDTO = z.infer<typeof CatalogResponseSchema>;
 export type SaveDefinitionResponseDTO = z.infer<typeof SaveDefinitionResponseSchema>;
 
 export * from "./brands";
-
+export * from "./infrastructure";
 export * from "./inventory";
-
 export * from "./relationships";
-
 export * from "./support";
-
 export * from "./workstations";
diff --git a/modules/assets/src/common/infrastructure.ts b/modules/assets/src/common/infrastructure.ts
new file mode 100644
index 0000000..389130a
--- /dev/null
+++ b/modules/assets/src/common/infrastructure.ts
@@ -0,0 +1,47 @@
+import { z } from "zod/v4";
+
+import {
+  InfrastructureInputSchema,
+  InfrastructureRoleSchema,
+  InfrastructureValuesSchema,
+} from "../api/domain/infrastructure-values";
+
+export type { InfrastructureData, InfrastructureInput } from "../api/domain/infrastructure-values";
+
+export { InfrastructureInputSchema, InfrastructureRoleSchema };
+
+export const InfrastructureParamsSchema = z.strictObject({ companyId: z.uuid() });
+
+export const InfrastructureItemParamsSchema = InfrastructureParamsSchema.extend({
+  assetId: z.uuid(),
+});
+
+export const SaveInfrastructureRequestSchema = z.strictObject({
+  values: InfrastructureInputSchema,
+});
+
+export const InfrastructureSchema = z.strictObject({
+  id: z.uuid(),
+  companyId: z.uuid(),
+  assetId: z.uuid(),
+  values: InfrastructureValuesSchema,
+  history: z
+    .array(
+      z.strictObject({
+        id: z.uuid(),
+        values: InfrastructureValuesSchema,
+        actorId: z.uuid(),
+        actorName: z.string(),
+        recordedAt: z.iso.datetime(),
+      })
+    )
+    .min(1),
+});
+
+export const InfrastructureResponseSchema = z.strictObject({
+  items: z.array(InfrastructureSchema),
+});
+
+export const SavedInfrastructureResponseSchema = z.strictObject({ item: InfrastructureSchema });
+
+export type InfrastructureDTO = z.infer<typeof InfrastructureSchema>;
diff --git a/modules/assets/src/common/locales/en.json b/modules/assets/src/common/locales/en.json
index 5cbcfa2..7adca0c 100644
--- a/modules/assets/src/common/locales/en.json
+++ b/modules/assets/src/common/locales/en.json
@@ -475,5 +475,45 @@
     "templateDescription": "Select the template that defines the asset characteristics.",
     "fieldsDescription": "Complete the template details. Fields marked with * are required.",
     "nameDescription": "Review the suggested name, technical status, site and registration date. Add notes if you need to provide more context."
+  },
+  "infrastructure": {
+    "title": "Infrastructure",
+    "description": "Browse shared devices, interfaces, addresses and connections between assets.",
+    "edit": "Edit infrastructure",
+    "add": "Add to infrastructure",
+    "rolesTitle": "Device roles",
+    "roles": {
+      "network": "Network",
+      "server": "Server",
+      "storage": "Storage",
+      "shared_peripheral": "Shared peripheral"
+    },
+    "interfaces": "Interfaces and addresses",
+    "connections": "Device connections",
+    "usage": "Where it is used",
+    "kind": "Interface type",
+    "kinds": {
+      "ethernet": "Ethernet",
+      "wifi": "Wi-Fi",
+      "other": "Other"
+    },
+    "mac": "MAC address",
+    "addresses": "IP addresses",
+    "addAddress": "Add IP",
+    "addInterface": "Add interface",
+    "removeInterface": "Remove interface",
+    "interfacePosition": "Interface {{count}}",
+    "addressPosition": "IP address {{count}}",
+    "removeAddressPosition": "Remove IP address {{count}}",
+    "invalid": "Check the fields. Interface names must be unique and addresses cannot be repeated within an interface.",
+    "invalidIp": "Enter a valid IPv4 or IPv6 address without a mask.",
+    "invalidMac": "Enter a valid MAC such as AA:BB:CC:DD:EE:FF, or leave it blank.",
+    "emptyInterfaces": "No interfaces have been documented.",
+    "all": "All roles",
+    "helpTitle": "Interfaces and shared use",
+    "help": "Document the device roles and interfaces whose IP addresses you need. An interface may have no IP or several addresses.",
+    "examplesLabel": "Example",
+    "examples": "Printer with Ethernet 192.168.5.201 and Wi-Fi 192.168.5.202.",
+    "guidance": "Record device connections in Relationships. Port details remain in UniFi. This does not change characteristics or workstation assignments."
   }
-}
\ No newline at end of file
+}
diff --git a/modules/assets/src/common/locales/es.json b/modules/assets/src/common/locales/es.json
index da479a2..bccc695 100644
--- a/modules/assets/src/common/locales/es.json
+++ b/modules/assets/src/common/locales/es.json
@@ -475,5 +475,45 @@
     "templateDescription": "Selecciona la plantilla que define las características del activo.",
     "fieldsDescription": "Completa los datos de la plantilla. Los campos marcados con * son obligatorios.",
     "nameDescription": "Revisa el nombre propuesto, el estado técnico, la sede y la fecha de alta. Añade notas si necesitas aportar más contexto."
+  },
+  "infrastructure": {
+    "title": "Infraestructura",
+    "description": "Consulta equipos compartidos, interfaces, direcciones y conexiones entre activos.",
+    "edit": "Editar infraestructura",
+    "add": "Añadir a infraestructura",
+    "rolesTitle": "Funciones del equipo",
+    "roles": {
+      "network": "Red",
+      "server": "Servidor",
+      "storage": "Almacenamiento",
+      "shared_peripheral": "Periférico compartido"
+    },
+    "interfaces": "Interfaces y direcciones",
+    "connections": "Conexiones entre equipos",
+    "usage": "Dónde se utiliza",
+    "kind": "Tipo de interfaz",
+    "kinds": {
+      "ethernet": "Ethernet",
+      "wifi": "Wi-Fi",
+      "other": "Otra"
+    },
+    "mac": "Dirección MAC",
+    "addresses": "Direcciones IP",
+    "addAddress": "Añadir IP",
+    "addInterface": "Añadir interfaz",
+    "removeInterface": "Quitar interfaz",
+    "interfacePosition": "Interfaz {{count}}",
+    "addressPosition": "Dirección IP {{count}}",
+    "removeAddressPosition": "Quitar dirección IP {{count}}",
+    "invalid": "Revisa los campos. Los nombres de interfaz deben ser únicos y no puede repetirse una IP dentro de la misma interfaz.",
+    "invalidIp": "Introduce una dirección IPv4 o IPv6 válida, sin máscara.",
+    "invalidMac": "Introduce una MAC válida, por ejemplo AA:BB:CC:DD:EE:FF, o deja el campo vacío.",
+    "emptyInterfaces": "No hay interfaces documentadas.",
+    "all": "Todas las funciones",
+    "helpTitle": "Interfaces y uso compartido",
+    "help": "Documenta las funciones del equipo y las interfaces cuya IP necesitas conocer. Una interfaz puede no tener IP o tener varias.",
+    "examplesLabel": "Ejemplo",
+    "examples": "Impresora con Ethernet 192.168.5.201 y Wi-Fi 192.168.5.202.",
+    "guidance": "Las conexiones entre equipos se registran en Relaciones. El detalle de puertos permanece en UniFi. No se modifican características ni asignaciones del puesto."
   }
-}
\ No newline at end of file
+}
diff --git a/modules/assets/src/web/assets/detail/ui/asset-detail.tsx b/modules/assets/src/web/assets/detail/ui/asset-detail.tsx
index 502ae07..a19ad0f 100644
--- a/modules/assets/src/web/assets/detail/ui/asset-detail.tsx
+++ b/modules/assets/src/web/assets/detail/ui/asset-detail.tsx
@@ -5,6 +5,7 @@ import { FieldSections } from "@repo/rdx-ui/components/field-sections";
 import { FormSectionTitle } from "@repo/rdx-ui/components/form-section-title";
 import { useTranslation } from "react-i18next";
 
+import { AssetInfrastructureSections } from "../../../infrastructure/shared/ui/asset-infrastructure-sections";
 import { formatAssetRegistrationDate } from "../../shared/helpers/format-asset-registration-date";
 import { useAssetDetailController } from "../controllers";
 import type { AssetDetailProps } from "../types";
@@ -122,6 +123,11 @@ export function AssetDetail(props: AssetDetailProps) {
           <p className="whitespace-pre-wrap break-words text-sm">{asset.values.notes}</p>
         </DetailSection>
       )}
+      <AssetInfrastructureSections
+        asset={asset}
+        compact={compact}
+        renderUsage={lookups.renderUsage}
+      />
       {children}
       {!compact && (
         <>
diff --git a/modules/assets/src/web/assets/detail/ui/asset-selection-panel.tsx b/modules/assets/src/web/assets/detail/ui/asset-selection-panel.tsx
index 18ddd25..4054b69 100644
--- a/modules/assets/src/web/assets/detail/ui/asset-selection-panel.tsx
+++ b/modules/assets/src/web/assets/detail/ui/asset-selection-panel.tsx
@@ -75,6 +75,8 @@ export function AssetSelectionPanel({
       <Accordion
         defaultValue={[
           "assignment",
+          "infrastructure",
+          "usage",
           "characteristics",
           "ungrouped",
           "notes",
diff --git a/modules/assets/src/web/assets/shared/types/asset-form-props.ts b/modules/assets/src/web/assets/shared/types/asset-form-props.ts
index 4bbc649..b6a2cf4 100644
--- a/modules/assets/src/web/assets/shared/types/asset-form-props.ts
+++ b/modules/assets/src/web/assets/shared/types/asset-form-props.ts
@@ -1,7 +1,10 @@
+import type { ReactNode } from "react";
+
 import type { CatalogItemDTO } from "../../../../common";
 import type { AssetDTO } from "../../../../common/inventory";
 
 export type InventoryLookups = {
+  renderUsage?: (assetId: string) => ReactNode;
   sites: readonly {
     id: string;
     name: string;
diff --git a/modules/assets/src/web/index.ts b/modules/assets/src/web/index.ts
index 22cddb9..e2bdcbe 100644
--- a/modules/assets/src/web/index.ts
+++ b/modules/assets/src/web/index.ts
@@ -4,6 +4,11 @@ export { AssetSummaryCard } from "./assets/shared/ui/asset-summary-card";
 export { BrandCatalogPage } from "./brands";
 export { AssetCatalogPage } from "./catalog";
 export { catalogApi, catalogKeys } from "./catalog/shared/api";
+export { InfrastructurePage } from "./infrastructure/list/ui/infrastructure-page";
+export {
+  infrastructureApi,
+  infrastructureKeys,
+} from "./infrastructure/shared/api/infrastructure-api";
 export { assetsEnglish, assetsSpanish } from "./shared";
 export { inventoryApi } from "./shared/api";
 export { inventoryKeys } from "./shared/queries";
diff --git a/modules/assets/src/web/infrastructure/list/ui/infrastructure-page.tsx b/modules/assets/src/web/infrastructure/list/ui/infrastructure-page.tsx
new file mode 100644
index 0000000..4dbf86e
--- /dev/null
+++ b/modules/assets/src/web/infrastructure/list/ui/infrastructure-page.tsx
@@ -0,0 +1,252 @@
+import { BrowserLink, useListQuery } from "@metis/core/client";
+import {
+  EntityListHeader,
+  EntityRowActions,
+  EntityStatus,
+  EntityTable,
+} from "@repo/rdx-ui/components/entity-list";
+import { SelectWithAction } from "@repo/rdx-ui/components/select-with-action";
+import { NetworkIcon, PencilIcon } from "@repo/rdx-ui/lib/icons";
+import { Button } from "@repo/shadcn-ui/components/button";
+import { useId, useState } from "react";
+import { useTranslation } from "react-i18next";
+
+import { AssetSelect } from "../../../assets/select/ui/asset-select";
+import { catalogApi, catalogKeys } from "../../../catalog/shared/api";
+import { InventoryFeedback } from "../../../shared";
+import { inventoryApi } from "../../../shared/api";
+import { inventoryKeys } from "../../../shared/queries";
+import { infrastructureApi, infrastructureKeys } from "../../shared/api/infrastructure-api";
+import { infrastructureRoles } from "../../shared/helpers/infrastructure-roles";
+import { InfrastructureEditorDialog } from "../../shared/ui/infrastructure-editor-dialog";
+
+export function InfrastructurePage({ companyId }: { companyId: string }) {
+  const { t, i18n } = useTranslation("assets");
+  const prefix = useId();
+  const [role, setRole] = useState("");
+  const [editingId, setEditingId] = useState("");
+  const inventory = useListQuery({
+    queryKey: inventoryKeys.company(companyId),
+    queryFn: () => inventoryApi.get(companyId),
+  });
+  const network = useListQuery({
+    queryKey: infrastructureKeys.company(companyId),
+    queryFn: () => infrastructureApi.get(companyId),
+  });
+  const catalog = useListQuery({
+    queryKey: catalogKeys.scope(companyId),
+    queryFn: () => catalogApi.get(companyId),
+  });
+  const assets = inventory.data?.assets ?? [];
+  const editing = assets.find((asset) => asset.id === editingId);
+  const items = assets.flatMap((asset) => {
+    const config = network.data?.items.find((item) => item.assetId === asset.id);
+
+    const roles = infrastructureRoles(asset.values.templateId, catalog.data?.items ?? [], config);
+
+    return (roles.length || config?.values.interfaces.length) &&
+      (!role || roles.some((value) => value === role))
+      ? [{ ...asset, config: { roles, interfaces: config?.values.interfaces ?? [] } }]
+      : [];
+  });
+
+  return (
+    <div className="space-y-6">
+      <EntityListHeader
+        actions={
+          <AssetSelect
+            companyId={companyId}
+            disabled={!(inventory.isSuccess && network.isSuccess && catalog.isSuccess)}
+            id={`${prefix}-choose`}
+            label={t("infrastructure.add")}
+            onValueChange={setEditingId}
+            options={assets.map((asset) => ({ value: asset.id, label: asset.values.name }))}
+            placeholder={t("infrastructure.add")}
+            presentation="action"
+            required
+            value=""
+          />
+        }
+        description={t("infrastructure.description")}
+        icon={<NetworkIcon />}
+        title={t("infrastructure.title")}
+      />
+      <InventoryFeedback error={inventory.error ?? network.error ?? catalog.error} />
+      {(inventory.isError || network.isError || catalog.isError) && (
+        <Button
+          onClick={() => {
+            Promise.all([inventory.refetch(), network.refetch(), catalog.refetch()]).catch(
+              () => undefined
+            );
+          }}
+          variant="outline"
+        >
+          {t("retry")}
+        </Button>
+      )}
+      <EntityTable
+        columns={[
+          {
+            id: "name",
+            label: t("name"),
+            hideable: false,
+            value: (item) => item.values.name,
+            render: (item) => (
+              <BrowserLink href={`/companies/${companyId}/assets/${item.id}`}>
+                {item.values.name}
+              </BrowserLink>
+            ),
+          },
+          {
+            id: "roles",
+            label: t("infrastructure.rolesTitle"),
+            value: (item) =>
+              item.config.roles.map((value) => t(`infrastructure.roles.${value}`)).join(" "),
+            render: (item) =>
+              item.config.roles.map((value) => t(`infrastructure.roles.${value}`)).join(" · "),
+          },
+          {
+            id: "interfaces",
+            label: t("infrastructure.interfaces"),
+            value: (item) =>
+              item.config.interfaces
+                .map(
+                  (entry) =>
+                    `${entry.name} ${entry.addresses.map((address) => address.address).join(" ")}`
+                )
+                .join(" "),
+            render: (item) =>
+              item.config.interfaces.length ? (
+                <ul>
+                  {item.config.interfaces.map((entry) => (
+                    <li key={entry.id}>
+                      {entry.name}:{" "}
+                      {entry.addresses.map((address) => address.address).join(" · ") || "—"}
+                    </li>
+                  ))}
+                </ul>
+              ) : null,
+          },
+          {
+            id: "connections",
+            label: t("infrastructure.connections"),
+            render: (item) => {
+              const links =
+                inventory.data?.relationships.filter(
+                  (link) =>
+                    !link.endedAt && [link.values.sourceId, link.values.targetId].includes(item.id)
+                ) ?? [];
+
+              return links.length ? (
+                <ul>
+                  {links.map((link) => {
+                    const target =
+                      link.values.sourceId === item.id
+                        ? link.values.targetId
+                        : link.values.sourceId;
+
+                    return (
+                      <li key={link.id}>
+                        <BrowserLink href={`/companies/${companyId}/assets/${target}`}>
+                          {assets.find((asset) => asset.id === target)?.values.name ?? "—"}
+                        </BrowserLink>{" "}
+                        ·{" "}
+                        {link.values.sourceId === item.id
+                          ? link.values.name
+                          : link.values.inverseName}
+                      </li>
+                    );
+                  })}
+                </ul>
+              ) : null;
+            },
+          },
+          {
+            id: "state",
+            label: t("technicalStatus"),
+            value: (item) => t(item.values.status),
+            render: (item) => (
+              <EntityStatus active={item.values.status === "operational"}>
+                {t(item.values.status)}
+              </EntityStatus>
+            ),
+          },
+          {
+            id: "workstation",
+            label: t("workstationInAsset"),
+            render: (item) => {
+              const stations =
+                inventory.data?.workstations.filter(
+                  (station) => station.values.active && station.values.assetIds.includes(item.id)
+                ) ?? [];
+
+              return stations.length ? (
+                <ul>
+                  {stations.map((station) => (
+                    <li key={station.id}>
+                      <BrowserLink href={`/companies/${companyId}/workstations/${station.id}`}>
+                        {station.values.name}
+                      </BrowserLink>
+                    </li>
+                  ))}
+                </ul>
+              ) : null;
+            },
+          },
+          {
+            id: "actions",
+            label: t("actions"),
+            render: (item) => (
+              <EntityRowActions
+                label={t("actions")}
+                primaryAction={{
+                  label: t("infrastructure.edit"),
+                  icon: <PencilIcon aria-hidden="true" />,
+                  onClick: () => setEditingId(item.id),
+                }}
+              />
+            ),
+          },
+        ]}
+        filterKey={role}
+        filters={
+          <SelectWithAction
+            id={`${prefix}-role`}
+            label={t("infrastructure.rolesTitle")}
+            onValueChange={setRole}
+            options={[
+              { value: "", label: t("infrastructure.all") },
+              ...["network", "server", "storage", "shared_peripheral"].map((value) => ({
+                value,
+                label: t(`infrastructure.roles.${value}`),
+              })),
+            ]}
+            placeholder={t("infrastructure.all")}
+            value={role}
+          />
+        }
+        filtersApplied={Boolean(role)}
+        items={items}
+        loading={inventory.isPending || network.isPending || catalog.isPending}
+        locale={i18n.language}
+        onClearFilters={() => setRole("")}
+        title={t("infrastructure.title")}
+        unavailable={
+          (!inventory.data && inventory.isError) ||
+          (!network.data && network.isError) ||
+          (!catalog.data && catalog.isError)
+        }
+      />
+      {editing && (
+        <InfrastructureEditorDialog
+          assetId={editing.id}
+          assetName={editing.values.name}
+          companyId={companyId}
+          current={network.data?.items.find((item) => item.assetId === editing.id)}
+          initialRoles={infrastructureRoles(editing.values.templateId, catalog.data?.items ?? [])}
+          onClose={() => setEditingId("")}
+        />
+      )}
+    </div>
+  );
+}
diff --git a/modules/assets/src/web/infrastructure/shared/api/infrastructure-api.ts b/modules/assets/src/web/infrastructure/shared/api/infrastructure-api.ts
new file mode 100644
index 0000000..dc29af5
--- /dev/null
+++ b/modules/assets/src/web/infrastructure/shared/api/infrastructure-api.ts
@@ -0,0 +1,42 @@
+import { csrfFetch } from "@metis/core/client";
+import { z } from "zod/v4";
+
+import type { InfrastructureInput } from "../../../../common/infrastructure";
+import {
+  InfrastructureResponseSchema,
+  SavedInfrastructureResponseSchema,
+} from "../../../../common/infrastructure";
+import { InventoryApiError } from "../../../shared/api/inventory-api-error";
+
+export const infrastructureKeys = { company: (id: string) => ["asset-infrastructure", id] };
+
+async function request(companyId: string, assetId?: string, values?: InfrastructureInput) {
+  const response = await csrfFetch(
+    `/api/asset-infrastructure/${companyId}${assetId ? `/${assetId}` : ""}`,
+    {
+      method: values ? "POST" : "GET",
+      credentials: "same-origin",
+      ...(values
+        ? { headers: { "content-type": "application/json" }, body: JSON.stringify({ values }) }
+        : {}),
+    }
+  );
+  const body: unknown = await response.json();
+
+  if (!response.ok) {
+    const error = z.object({ code: z.string() }).safeParse(body);
+
+    throw new InventoryApiError(error.success ? error.data.code : "INTERNAL_ERROR");
+  }
+
+  return body;
+}
+
+export const infrastructureApi = {
+  async get(companyId: string) {
+    return InfrastructureResponseSchema.parse(await request(companyId));
+  },
+  async save(companyId: string, assetId: string, values: InfrastructureInput) {
+    return SavedInfrastructureResponseSchema.parse(await request(companyId, assetId, values));
+  },
+};
diff --git a/modules/assets/src/web/infrastructure/shared/helpers/infrastructure-roles.ts b/modules/assets/src/web/infrastructure/shared/helpers/infrastructure-roles.ts
new file mode 100644
index 0000000..d1caf2a
--- /dev/null
+++ b/modules/assets/src/web/infrastructure/shared/helpers/infrastructure-roles.ts
@@ -0,0 +1,28 @@
+import type { CatalogItemDTO } from "../../../../common";
+import type { InfrastructureDTO, InfrastructureInput } from "../../../../common/infrastructure";
+
+/** Las plantillas de serie usan su clave estable; las clasificaciones guardadas prevalecen. */
+export function infrastructureRoles(
+  templateId: string,
+  catalog: readonly CatalogItemDTO[],
+  current?: InfrastructureDTO
+): InfrastructureInput["roles"] {
+  if (current) {
+    return current.values.roles;
+  }
+  const key = catalog.find((item) => item.id === templateId)?.builtinKey;
+
+  switch (key) {
+    case "template:router":
+    case "template:firewall":
+    case "template:switch":
+    case "template:access_point":
+      return ["network"];
+    case "template:server":
+      return ["server"];
+    case "template:nas":
+      return ["storage"];
+    default:
+      return [];
+  }
+}
diff --git a/modules/assets/src/web/infrastructure/shared/infrastructure.test.tsx b/modules/assets/src/web/infrastructure/shared/infrastructure.test.tsx
new file mode 100644
index 0000000..b24986c
--- /dev/null
+++ b/modules/assets/src/web/infrastructure/shared/infrastructure.test.tsx
@@ -0,0 +1,167 @@
+import assert from "node:assert/strict";
+import { test } from "node:test";
+
+import { UniqueID } from "@repo/rdx-ddd";
+import { Maybe } from "@repo/rdx-utils";
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { createInstance } from "i18next";
+import { renderToStaticMarkup } from "react-dom/server";
+import { I18nextProvider } from "react-i18next";
+
+import { buildCatalogResponse } from "../../../api/application/asset-catalog-response.builder";
+import { AssetCatalog } from "../../../api/domain/asset-catalog.aggregate";
+import { seedAssetCatalog } from "../../../api/domain/asset-catalog-seed";
+import { InfrastructureValues } from "../../../api/domain/value-objects/infrastructure-values.vo";
+import { InfrastructureSchema } from "../../../common/infrastructure";
+import { AssetSchema } from "../../../common/inventory";
+import { catalogKeys } from "../../catalog/shared/api";
+import { assetsEnglish, assetsSpanish } from "../../shared";
+import { inventoryKeys } from "../../shared/queries";
+import { InfrastructurePage } from "../list/ui/infrastructure-page";
+
+import { infrastructureKeys } from "./api/infrastructure-api";
+import { infrastructureRoles } from "./helpers/infrastructure-roles";
+import { AssetInfrastructurePanel } from "./ui/asset-infrastructure-panel";
+
+const companyId = UniqueID.generateNewID().toPrimitive();
+const catalog = buildCatalogResponse(seedAssetCatalog(AssetCatalog.create()), Maybe.none());
+const router = catalog.items.find((item) => item.builtinKey === "template:router");
+
+assert.ok(router && router.values.kind === "template");
+const templateId = router.id;
+const values = {
+  name: "Router principal",
+  templateId,
+  siteId: null,
+  status: "operational",
+  notes: "",
+  characteristics: {},
+};
+const asset = AssetSchema.parse({
+  id: UniqueID.generateNewID().toPrimitive(),
+  companyId,
+  values,
+  assigned: false,
+  displayStatus: "available",
+  specification: {
+    templateId,
+    templateName: "Router",
+    fields: [
+      {
+        fieldId: UniqueID.generateNewID().toPrimitive(),
+        name: "Modelo",
+        type: "text",
+        unit: "",
+        choices: [],
+        required: false,
+      },
+    ],
+  },
+  history: [
+    {
+      id: UniqueID.generateNewID().toPrimitive(),
+      values,
+      actorId: UniqueID.generateNewID().toPrimitive(),
+      actorName: "Técnico",
+      recordedAt: "2026-10-17T10:00:00.000Z",
+    },
+  ],
+});
+const networkValues = InfrastructureValues.create({
+  roles: ["network"],
+  interfaces: [
+    {
+      name: "LAN",
+      kind: "ethernet",
+      mac: "",
+      notes: "",
+      addresses: [{ address: "192.168.5.201" }],
+    },
+    { name: "Wi-Fi", kind: "wifi", mac: "", notes: "", addresses: [{ address: "192.168.5.202" }] },
+  ],
+});
+
+assert.ok(networkValues.isSuccess);
+const snapshot = networkValues.data.toPrimitive();
+const config = InfrastructureSchema.parse({
+  id: UniqueID.generateNewID().toPrimitive(),
+  assetId: asset.id,
+  companyId,
+  values: snapshot,
+  history: [
+    {
+      id: UniqueID.generateNewID().toPrimitive(),
+      actorId: UniqueID.generateNewID().toPrimitive(),
+      actorName: "Técnico",
+      recordedAt: "2026-10-17T10:00:00.000Z",
+      values: snapshot,
+    },
+  ],
+});
+
+test("infraestructura: clasificación de serie independiente del nombre/icono y selección manual prioritaria", () => {
+  assert.ok(router.values.kind === "template");
+  const renamed = {
+    ...router,
+    values: { ...router.values, name: "Nombre propio", icon: "box" as const },
+  };
+
+  assert.deepEqual(infrastructureRoles(templateId, [renamed]), ["network"]);
+  assert.deepEqual(
+    infrastructureRoles(templateId, [renamed], {
+      ...config,
+      values: { ...config.values, roles: ["storage"] },
+    }),
+    ["storage"]
+  );
+  assert.deepEqual(infrastructureRoles(templateId, [{ ...renamed, builtinKey: null }]), []);
+});
+
+test("infraestructura: listado y ficha presentan interfaces/IP en español e inglés, sin puertos", async () => {
+  for (const [language, title, edit] of [
+    ["es", "Infraestructura", "Editar infraestructura"],
+    ["en", "Infrastructure", "Edit infrastructure"],
+  ] as const) {
+    const i18n = createInstance();
+
+    await i18n.init({
+      lng: language,
+      resources: { es: { assets: assetsSpanish }, en: { assets: assetsEnglish } },
+    });
+    const client = new QueryClient();
+
+    client.setQueryData(catalogKeys.scope(companyId), catalog);
+    client.setQueryData(inventoryKeys.company(companyId), {
+      assets: [asset],
+      workstations: [],
+      relationships: [],
+    });
+    client.setQueryData(infrastructureKeys.company(companyId), { items: [config] });
+    try {
+      const html = renderToStaticMarkup(
+        <QueryClientProvider client={client}>
+          <I18nextProvider i18n={i18n}>
+            <InfrastructurePage companyId={companyId} />
+            <AssetInfrastructurePanel
+              assetId={asset.id}
+              assetName={asset.values.name}
+              companyId={companyId}
+              templateId={templateId}
+            />
+          </I18nextProvider>
+        </QueryClientProvider>
+      );
+
+      assert.ok(html.includes(title));
+      assert.ok(html.includes(edit));
+      assert.ok(html.includes("192.168.5.201"));
+      assert.ok(html.includes("192.168.5.202"));
+      assert.ok(html.includes("Wi-Fi"));
+      assert.ok(html.includes(`/companies/${companyId}/assets/${asset.id}`));
+      assert.ok(html.includes('aria-haspopup="dialog"'));
+      assert.equal(html.includes("infrastructure.roles.network"), false);
+    } finally {
+      client.clear();
+    }
+  }
+});
diff --git a/modules/assets/src/web/infrastructure/shared/ui/asset-infrastructure-panel.tsx b/modules/assets/src/web/infrastructure/shared/ui/asset-infrastructure-panel.tsx
new file mode 100644
index 0000000..c4c7ac4
--- /dev/null
+++ b/modules/assets/src/web/infrastructure/shared/ui/asset-infrastructure-panel.tsx
@@ -0,0 +1,132 @@
+import { useListQuery } from "@metis/core/client";
+import { Button } from "@repo/shadcn-ui/components/button";
+import { useState } from "react";
+import { useTranslation } from "react-i18next";
+
+import { catalogApi, catalogKeys } from "../../../catalog/shared/api";
+import { InventoryFeedback } from "../../../shared";
+import { infrastructureApi, infrastructureKeys } from "../api/infrastructure-api";
+import { infrastructureRoles } from "../helpers/infrastructure-roles";
+
+import { InfrastructureEditorDialog } from "./infrastructure-editor-dialog";
+
+export function AssetInfrastructurePanel({
+  companyId,
+  assetId,
+  assetName,
+  templateId,
+}: {
+  companyId: string;
+  assetId: string;
+  assetName: string;
+  templateId: string;
+}) {
+  const { t, i18n } = useTranslation("assets");
+  const [editing, setEditing] = useState(false);
+  const query = useListQuery({
+    queryKey: infrastructureKeys.company(companyId),
+    queryFn: () => infrastructureApi.get(companyId),
+  });
+  const catalog = useListQuery({
+    queryKey: catalogKeys.scope(companyId),
+    queryFn: () => catalogApi.get(companyId),
+  });
+  const current = query.data?.items.find((item) => item.assetId === assetId);
+
+  return (
+    <div className="space-y-3">
+      {query.isPending && <p role="status">{t("loading")}</p>}
+      <InventoryFeedback error={query.error ?? catalog.error} />
+      {(query.isError || catalog.isError) && (
+        <Button
+          onClick={() => {
+            Promise.all([query.refetch(), catalog.refetch()]).catch(() => undefined);
+          }}
+          size="sm"
+          variant="outline"
+        >
+          {t("retry")}
+        </Button>
+      )}
+      {current?.values.roles.length ? (
+        <p className="text-sm">
+          {current.values.roles.map((role) => t(`infrastructure.roles.${role}`)).join(" · ")}
+        </p>
+      ) : null}
+      {query.isSuccess && !current?.values.interfaces.length && (
+        <p className="text-sm text-muted-foreground">{t("infrastructure.emptyInterfaces")}</p>
+      )}
+      <ul className="space-y-3">
+        {current?.values.interfaces.map((entry) => (
+          <li className="rounded-md border p-3 text-sm" key={entry.id}>
+            <p className="font-medium">
+              {entry.name} · {t(`infrastructure.kinds.${entry.kind}`)}
+            </p>
+            <p>
+              {entry.addresses.length
+                ? entry.addresses.map((address) => address.address).join(" · ")
+                : "—"}
+            </p>
+            <p className="text-muted-foreground">
+              {t("infrastructure.mac")}: {entry.mac || "—"}
+            </p>
+            {entry.notes && <p className="whitespace-pre-wrap">{entry.notes}</p>}
+          </li>
+        ))}
+      </ul>
+      <Button
+        disabled={!(query.isSuccess && catalog.isSuccess)}
+        onClick={() => setEditing(true)}
+        size="sm"
+        variant="outline"
+      >
+        {t("infrastructure.edit")}
+      </Button>
+      {current && (
+        <details>
+          <summary className="cursor-pointer text-sm font-medium">
+            {t("history")} ({current.history.length})
+          </summary>
+          <ol className="mt-3 space-y-3">
+            {[...current.history].reverse().map((revision) => (
+              <li className="space-y-2 rounded-md border p-3 text-sm" key={revision.id}>
+                <p>
+                  {new Intl.DateTimeFormat(i18n.language, {
+                    dateStyle: "short",
+                    timeStyle: "short",
+                  }).format(new Date(revision.recordedAt))}{" "}
+                  · {revision.actorName}
+                </p>
+                <p>
+                  {revision.values.roles
+                    .map((role) => t(`infrastructure.roles.${role}`))
+                    .join(" · ") || "—"}
+                </p>
+                <ul>
+                  {revision.values.interfaces.map((entry) => (
+                    <li key={entry.id}>
+                      {entry.name} · {t(`infrastructure.kinds.${entry.kind}`)} ·{" "}
+                      {entry.addresses.map((address) => address.address).join(" · ") || "—"} ·{" "}
+                      {entry.mac || "—"}
+                      {entry.notes && <p className="whitespace-pre-wrap">{entry.notes}</p>}
+                    </li>
+                  ))}
+                </ul>
+              </li>
+            ))}
+          </ol>
+        </details>
+      )}
+      {editing && (
+        <InfrastructureEditorDialog
+          assetId={assetId}
+          assetName={assetName}
+          companyId={companyId}
+          current={current}
+          initialRoles={infrastructureRoles(templateId, catalog.data?.items ?? [])}
+          onClose={() => setEditing(false)}
+        />
+      )}
+    </div>
+  );
+}
diff --git a/modules/assets/src/web/infrastructure/shared/ui/asset-infrastructure-sections.tsx b/modules/assets/src/web/infrastructure/shared/ui/asset-infrastructure-sections.tsx
new file mode 100644
index 0000000..2cd6783
--- /dev/null
+++ b/modules/assets/src/web/infrastructure/shared/ui/asset-infrastructure-sections.tsx
@@ -0,0 +1,43 @@
+import { DetailSection } from "@repo/rdx-ui/components/detail-section";
+import type { ReactNode } from "react";
+import { useTranslation } from "react-i18next";
+
+import type { AssetDTO } from "../../../../common/inventory";
+
+import { AssetInfrastructurePanel } from "./asset-infrastructure-panel";
+
+export function AssetInfrastructureSections({
+  asset,
+  compact,
+  renderUsage,
+}: {
+  asset: AssetDTO;
+  compact: boolean;
+  renderUsage: ((assetId: string) => ReactNode) | undefined;
+}) {
+  const { t } = useTranslation("assets");
+
+  return (
+    <>
+      <DetailSection
+        accordionValue={compact ? "infrastructure" : undefined}
+        title={t("infrastructure.interfaces")}
+      >
+        <AssetInfrastructurePanel
+          assetId={asset.id}
+          assetName={asset.values.name}
+          companyId={asset.companyId}
+          templateId={asset.values.templateId}
+        />
+      </DetailSection>
+      {renderUsage && (
+        <DetailSection
+          accordionValue={compact ? "usage" : undefined}
+          title={t("infrastructure.usage")}
+        >
+          {renderUsage(asset.id)}
+        </DetailSection>
+      )}
+    </>
+  );
+}
diff --git a/modules/assets/src/web/infrastructure/shared/ui/infrastructure-editor-dialog.tsx b/modules/assets/src/web/infrastructure/shared/ui/infrastructure-editor-dialog.tsx
new file mode 100644
index 0000000..66aa3fb
--- /dev/null
+++ b/modules/assets/src/web/infrastructure/shared/ui/infrastructure-editor-dialog.tsx
@@ -0,0 +1,145 @@
+import { zodResolver } from "@hookform/resolvers/zod";
+import { FormActions, FormBody, FormDialog } from "@repo/rdx-ui/components/form-dialog";
+import { FormHelp } from "@repo/rdx-ui/components/form-help";
+import { FormSectionTitle } from "@repo/rdx-ui/components/form-section-title";
+import { Button } from "@repo/shadcn-ui/components/button";
+import { Checkbox } from "@repo/shadcn-ui/components/checkbox";
+import { useMutation, useQueryClient } from "@tanstack/react-query";
+import { useId } from "react";
+import { useFieldArray, useForm } from "react-hook-form";
+import { useTranslation } from "react-i18next";
+
+import type { InfrastructureDTO, InfrastructureInput } from "../../../../common/infrastructure";
+import {
+  InfrastructureInputSchema,
+  InfrastructureRoleSchema,
+} from "../../../../common/infrastructure";
+import { InventoryFeedback } from "../../../shared";
+import { infrastructureApi, infrastructureKeys } from "../api/infrastructure-api";
+
+import { InterfaceFields } from "./interface-fields";
+
+export function InfrastructureEditorDialog({
+  companyId,
+  assetId,
+  assetName,
+  current,
+  initialRoles = [],
+  onClose,
+}: {
+  companyId: string;
+  assetId: string;
+  assetName: string;
+  current: InfrastructureDTO | undefined;
+  initialRoles?: InfrastructureInput["roles"];
+  onClose: () => void;
+}) {
+  const { t } = useTranslation("assets");
+  const prefix = useId();
+  const client = useQueryClient();
+  const form = useForm<InfrastructureInput>({
+    resolver: zodResolver(InfrastructureInputSchema),
+    defaultValues: current?.values ?? { roles: initialRoles, interfaces: [] },
+  });
+  const fields = useFieldArray({ control: form.control, name: "interfaces" });
+  const roles = form.watch("roles");
+  const mutation = useMutation({
+    mutationFn: (values: InfrastructureInput) => infrastructureApi.save(companyId, assetId, values),
+    onSuccess: async () => {
+      await client.invalidateQueries({ queryKey: infrastructureKeys.company(companyId) });
+      onClose();
+    },
+  });
+
+  return (
+    <FormDialog
+      cancelLabel={t("cancel")}
+      formActions
+      layout="stable"
+      onOpenChange={(open) => {
+        if (!(open || mutation.isPending)) {
+          onClose();
+        }
+      }}
+      open
+      size="large"
+      title={`${t("infrastructure.edit")}: ${assetName}`}
+    >
+      <form
+        className="flex min-h-0 flex-1 flex-col overflow-hidden"
+        onSubmit={form.handleSubmit((values) => mutation.mutate(values))}
+      >
+        <FormBody>
+          <fieldset className="space-y-5" disabled={mutation.isPending}>
+            <div className="space-y-3">
+              <FormSectionTitle>{t("infrastructure.rolesTitle")}</FormSectionTitle>
+              <div className="flex flex-wrap gap-4">
+                {InfrastructureRoleSchema.options.map((role) => (
+                  <label
+                    className="inline-flex items-center gap-2 text-sm"
+                    htmlFor={`${prefix}-${role}`}
+                    key={role}
+                  >
+                    <Checkbox
+                      checked={roles.includes(role)}
+                      disabled={mutation.isPending}
+                      id={`${prefix}-${role}`}
+                      onCheckedChange={(checked) =>
+                        form.setValue(
+                          "roles",
+                          checked ? [...roles, role] : roles.filter((item) => item !== role),
+                          { shouldDirty: true }
+                        )
+                      }
+                    />
+                    {t(`infrastructure.roles.${role}`)}
+                  </label>
+                ))}
+              </div>
+            </div>
+            <div className="flex items-center justify-between gap-2">
+              <FormSectionTitle layout="inline">{t("infrastructure.interfaces")}</FormSectionTitle>
+              <Button
+                disabled={fields.fields.length >= 32}
+                onClick={() =>
+                  fields.append({ name: "", kind: "ethernet", mac: "", notes: "", addresses: [] })
+                }
+                type="button"
+                variant="outline"
+              >
+                {t("infrastructure.addInterface")}
+              </Button>
+            </div>
+            {fields.fields.map((field, index) => (
+              <InterfaceFields
+                disabled={mutation.isPending}
+                form={form}
+                index={index}
+                key={field.id}
+                onRemove={() => fields.remove(index)}
+              />
+            ))}
+            {form.formState.errors.interfaces && (
+              <p className="text-sm text-destructive" role="alert">
+                {t("infrastructure.invalid")}
+              </p>
+            )}
+            <InventoryFeedback error={mutation.error} />
+          </fieldset>
+        </FormBody>
+        <FormHelp
+          description={t("infrastructure.help")}
+          examples={t("infrastructure.examples")}
+          examplesLabel={t("infrastructure.examplesLabel")}
+          guidance={t("infrastructure.guidance")}
+          title={t("infrastructure.helpTitle")}
+        />
+        <FormActions cancelDisabled={mutation.isPending}>
+          <Button disabled={mutation.isPending} type="submit">
+            {t(mutation.isPending ? "saving" : "save")}
+          </Button>
+        </FormActions>
+      </form>
+    </FormDialog>
+  );
+}
diff --git a/modules/assets/src/web/infrastructure/shared/ui/interface-fields.tsx b/modules/assets/src/web/infrastructure/shared/ui/interface-fields.tsx
new file mode 100644
index 0000000..544a555
--- /dev/null
+++ b/modules/assets/src/web/infrastructure/shared/ui/interface-fields.tsx
@@ -0,0 +1,139 @@
+import { FormLabel } from "@repo/rdx-ui/components/form-label";
+import { FormSectionTitle } from "@repo/rdx-ui/components/form-section-title";
+import { SelectWithAction } from "@repo/rdx-ui/components/select-with-action";
+import { Button } from "@repo/shadcn-ui/components/button";
+import { Input } from "@repo/shadcn-ui/components/input";
+import { Textarea } from "@repo/shadcn-ui/components/textarea";
+import { useId } from "react";
+import type { UseFormReturn } from "react-hook-form";
+import { useFieldArray } from "react-hook-form";
+import { useTranslation } from "react-i18next";
+
+import type { InfrastructureInput } from "../../../../common/infrastructure";
+
+export function InterfaceFields({
+  form,
+  index,
+  onRemove,
+  disabled,
+}: {
+  form: UseFormReturn<InfrastructureInput>;
+  index: number;
+  onRemove: () => void;
+  disabled: boolean;
+}) {
+  const { t } = useTranslation("assets");
+  const prefix = useId();
+  const addresses = useFieldArray({ control: form.control, name: `interfaces.${index}.addresses` });
+  const errors = form.formState.errors.interfaces?.[index];
+
+  return (
+    <fieldset className="min-w-0 space-y-3 rounded-lg border p-4" disabled={disabled}>
+      <div className="flex flex-wrap items-center justify-between gap-2">
+        <FormSectionTitle layout="inline">
+          {t("infrastructure.interfacePosition", { count: index + 1 })}
+        </FormSectionTitle>
+        <Button onClick={onRemove} size="sm" type="button" variant="ghost">
+          {t("infrastructure.removeInterface")}
+        </Button>
+      </div>
+      <div className="grid gap-3 sm:grid-cols-2">
+        <div className="space-y-2">
+          <FormLabel htmlFor={`${prefix}-name`} required>
+            {t("name")}
+          </FormLabel>
+          <Input
+            id={`${prefix}-name`}
+            {...form.register(`interfaces.${index}.name`)}
+            aria-invalid={Boolean(errors?.name)}
+          />
+          <p className="text-xs text-destructive">{errors?.name && t("infrastructure.invalid")}</p>
+        </div>
+        <div className="space-y-2">
+          <FormLabel htmlFor={`${prefix}-kind`}>{t("infrastructure.kind")}</FormLabel>
+          <SelectWithAction
+            disabled={disabled}
+            id={`${prefix}-kind`}
+            label={t("infrastructure.kind")}
+            onValueChange={(value) => {
+              if (value === "ethernet" || value === "wifi" || value === "other") {
+                form.setValue(`interfaces.${index}.kind`, value, { shouldDirty: true });
+              }
+            }}
+            options={["ethernet", "wifi", "other"].map((value) => ({
+              value,
+              label: t(`infrastructure.kinds.${value}`),
+            }))}
+            placeholder={t("infrastructure.kind")}
+            value={form.watch(`interfaces.${index}.kind`)}
+          />
+        </div>
+      </div>
+      <div className="space-y-2">
+        <FormLabel htmlFor={`${prefix}-mac`}>{t("infrastructure.mac")}</FormLabel>
+        <Input
+          id={`${prefix}-mac`}
+          {...form.register(`interfaces.${index}.mac`)}
+          aria-invalid={Boolean(errors?.mac)}
+        />
+        {errors?.mac && (
+          <p className="text-xs text-destructive" role="alert">
+            {t("infrastructure.invalidMac")}
+          </p>
+        )}
+      </div>
+      <div className="space-y-2">
+        <FormSectionTitle as="h4" layout="inline">
+          {t("infrastructure.addresses")}
+        </FormSectionTitle>
+        {addresses.fields.map((field, position) => (
+          <div className="space-y-1" key={field.id}>
+            <div className="flex items-center gap-2">
+              <span
+                aria-hidden="true"
+                className="shrink-0 text-xs text-muted-foreground tabular-nums"
+              >
+                {position + 1}/{addresses.fields.length}
+              </span>
+              <label className="sr-only" htmlFor={`${prefix}-address-${position}`}>
+                {t("infrastructure.addressPosition", { count: position + 1 })}
+              </label>
+              <Input
+                id={`${prefix}-address-${position}`}
+                {...form.register(`interfaces.${index}.addresses.${position}.address`)}
+                aria-invalid={Boolean(errors?.addresses?.[position])}
+              />
+              <Button
+                aria-label={t("infrastructure.removeAddressPosition", { count: position + 1 })}
+                onClick={() => addresses.remove(position)}
+                size="sm"
+                type="button"
+                variant="ghost"
+              >
+                ×
+              </Button>
+            </div>
+            {errors?.addresses?.[position] && (
+              <p className="text-xs text-destructive" role="alert">
+                {t("infrastructure.invalidIp")}
+              </p>
+            )}
+          </div>
+        ))}
+        <Button
+          disabled={addresses.fields.length >= 32}
+          onClick={() => addresses.append({ address: "" })}
+          size="sm"
+          type="button"
+          variant="outline"
+        >
+          {t("infrastructure.addAddress")}
+        </Button>
+      </div>
+      <div className="space-y-2">
+        <FormLabel htmlFor={`${prefix}-notes`}>{t("notes")}</FormLabel>
+        <Textarea id={`${prefix}-notes`} {...form.register(`interfaces.${index}.notes`)} />
+      </div>
+    </fieldset>
+  );
+}
diff --git a/modules/companies/package.json b/modules/companies/package.json
index a9980aa..889d515 100644
--- a/modules/companies/package.json
+++ b/modules/companies/package.json
@@ -10,7 +10,7 @@
   },
   "scripts": {
     "typecheck": "tsc -p tsconfig.json",
-    "test": "TSX_TSCONFIG_PATH=../../tsconfig.json node --import tsx --test src/api/domain/company.aggregate.test.ts src/api/domain/people.test.ts src/web/companies/shared/companies-page.test.tsx src/api/domain/access/access.test.ts src/api/domain/mail-configuration.test.ts src/api/domain/mailbox.test.ts src/web/access/shared/access.test.tsx src/web/mail-configurations/shared/mail.test.tsx src/api/domain/work-profile.test.ts src/web/work-profiles/shared/profile.test.tsx src/api/domain/printer-configuration.test.ts src/web/printer-configurations/shared/printer.test.tsx src/api/domain/application-configuration.test.ts src/web/application-configurations/shared/application.test.tsx src/api/domain/certificate-configuration.test.ts src/web/certificate-configurations/shared/certificate.test.tsx src/web/work-environments/shared/work-environment.test.tsx src/api/domain/telework-authorization.test.ts src/web/telework-authorizations/shared/telework.test.tsx src/api/domain/remote-connection.test.ts src/api/domain/process.test.ts src/web/remote-connections/shared/remote.test.tsx src/web/processes/shared/processes.test.tsx src/web/shared/initials-avatar.test.tsx src/api/infrastructure/company-logo-processor.test.ts src/web/companies/shared/company-avatar.test.tsx src/web/shared/client-contracts.test.ts src/web/workstations/detail/helpers/workstation-relations.test.ts src/web/workstations/detail/ui/workstation-detail.test.tsx src/web/workspace/shared/workspace-routes.test.ts src/web/workspace/view/helpers/sidebar-preference.test.ts src/api/domain/software-installation.test.ts src/web/software-installations/shared/software.test.tsx"
+    "test": "TSX_TSCONFIG_PATH=../../tsconfig.json node --import tsx --test src/api/domain/company.aggregate.test.ts src/api/domain/people.test.ts src/web/companies/shared/companies-page.test.tsx src/api/domain/access/access.test.ts src/api/domain/mail-configuration.test.ts src/api/domain/mailbox.test.ts src/web/access/shared/access.test.tsx src/web/mail-configurations/shared/mail.test.tsx src/api/domain/work-profile.test.ts src/web/work-profiles/shared/profile.test.tsx src/api/domain/printer-configuration.test.ts src/web/printer-configurations/shared/printer.test.tsx src/api/domain/application-configuration.test.ts src/web/application-configurations/shared/application.test.tsx src/api/domain/certificate-configuration.test.ts src/web/certificate-configurations/shared/certificate.test.tsx src/web/work-environments/shared/work-environment.test.tsx src/api/domain/telework-authorization.test.ts src/web/telework-authorizations/shared/telework.test.tsx src/api/domain/remote-connection.test.ts src/api/domain/process.test.ts src/web/remote-connections/shared/remote.test.tsx src/web/processes/shared/processes.test.tsx src/web/shared/initials-avatar.test.tsx src/api/infrastructure/company-logo-processor.test.ts src/web/companies/shared/company-avatar.test.tsx src/web/shared/client-contracts.test.ts src/web/infrastructure/shared/helpers/printer-usage.test.ts src/web/workstations/detail/helpers/workstation-relations.test.ts src/web/workstations/detail/ui/workstation-detail.test.tsx src/web/workspace/shared/workspace-routes.test.ts src/web/workspace/view/helpers/sidebar-preference.test.ts src/api/domain/software-installation.test.ts src/web/software-installations/shared/software.test.tsx"
   },
   "dependencies": {
     "@metis/core": "workspace:*",
diff --git a/modules/companies/src/common/locales/en.json b/modules/companies/src/common/locales/en.json
index 2d71e6a..fb11f0a 100644
--- a/modules/companies/src/common/locales/en.json
+++ b/modules/companies/src/common/locales/en.json
@@ -825,6 +825,15 @@
       "showArchived": "Also show archived sites",
       "delete": "Delete site",
       "deleteDescription": "“{{name}}” will be permanently deleted. This is only allowed if it has no associated records, including historical references. If it is in use, you can archive it."
+    },
+    "infrastructureUsage": {
+      "error": "Printer usage could not be loaded.",
+      "empty": "There are no open printing configurations for this asset.",
+      "incomplete": "Some configurations have an unresolved profile. Review their history.",
+      "default": "Default",
+      "review": "Configuration needs review.",
+      "history": "Historical configurations ({{count}})",
+      "notice": "Usage documented through profiles; this is not real-time detected activity."
     }
   },
   "access": {
diff --git a/modules/companies/src/common/locales/es.json b/modules/companies/src/common/locales/es.json
index 46ff05b..98fba46 100644
--- a/modules/companies/src/common/locales/es.json
+++ b/modules/companies/src/common/locales/es.json
@@ -825,6 +825,15 @@
       "showArchived": "Mostrar también las sedes archivadas",
       "delete": "Eliminar sede",
       "deleteDescription": "Se eliminará «{{name}}» de forma permanente. Solo se permite si no tiene ningún registro asociado, incluidas referencias históricas. Si está en uso, puedes archivarla."
+    },
+    "infrastructureUsage": {
+      "error": "No se ha podido consultar el uso de la impresora.",
+      "empty": "No hay configuraciones de impresión abiertas para este activo.",
+      "incomplete": "Hay configuraciones cuyo perfil no se ha podido resolver. Revisa el historial.",
+      "default": "Predeterminada",
+      "review": "Configuración pendiente de revisión.",
+      "history": "Configuraciones históricas ({{count}})",
+      "notice": "Uso documentado a través de perfiles; no representa actividad detectada en tiempo real."
     }
   },
   "access": {
diff --git a/modules/companies/src/web/companies/detail/ui/company-detail.tsx b/modules/companies/src/web/companies/detail/ui/company-detail.tsx
index 72d2216..556268e 100644
--- a/modules/companies/src/web/companies/detail/ui/company-detail.tsx
+++ b/modules/companies/src/web/companies/detail/ui/company-detail.tsx
@@ -14,6 +14,7 @@ import {
   MailIcon,
   MapPinIcon,
   MonitorIcon,
+  NetworkIcon,
   PersonIcon,
   PrinterIcon,
   WorkProfileIcon,
@@ -116,6 +117,7 @@ export function CompanyDetail(props: CompanyDetailProps) {
                 ["workstations", assetTranslation("workstations"), MonitorIcon],
                 ["profiles", t("profiles.title"), WorkProfileIcon],
                 ["inventory", assetTranslation("inventory"), BoxIcon],
+                ["infrastructure", assetTranslation("infrastructure.title"), NetworkIcon],
                 ["resources", resourceTranslation("inventory"), LayersIcon],
                 ["departments", t("departments"), BriefcaseIcon],
                 ["sites", t("sites"), MapPinIcon],
diff --git a/modules/companies/src/web/companies/detail/ui/company-inventory.tsx b/modules/companies/src/web/companies/detail/ui/company-inventory.tsx
index d6a5d39..d7b54f3 100644
--- a/modules/companies/src/web/companies/detail/ui/company-inventory.tsx
+++ b/modules/companies/src/web/companies/detail/ui/company-inventory.tsx
@@ -2,6 +2,7 @@ import { AssetInventoryPage, WorkstationsPage } from "@metis/assets/client";
 import { useState } from "react";
 
 import type { CompanyDTO } from "../../../../common";
+import { AssetPrinterUsage } from "../../../infrastructure/shared/ui/asset-printer-usage";
 import { WorkstationDetailPage } from "../../../workstations/detail/ui/workstation-detail-page";
 
 import { InventoryQuickCreateDialog } from "./inventory-quick-create-dialog";
@@ -24,6 +25,7 @@ export function CompanyInventory({
     onCreated: (id: string) => void;
   }>();
   const lookups = {
+    renderUsage: (assetId: string) => <AssetPrinterUsage assetId={assetId} company={company} />,
     sites: company.sites,
     people: company.people,
     onCreateSite: (onCreated: (id: string) => void) => setQuick({ kind: "site", onCreated }),
diff --git a/modules/companies/src/web/companies/detail/ui/company-section.tsx b/modules/companies/src/web/companies/detail/ui/company-section.tsx
index 6797c8d..cbac7b2 100644
--- a/modules/companies/src/web/companies/detail/ui/company-section.tsx
+++ b/modules/companies/src/web/companies/detail/ui/company-section.tsx
@@ -1,4 +1,4 @@
-import { AssetCatalogPage } from "@metis/assets/client";
+import { AssetCatalogPage, InfrastructurePage } from "@metis/assets/client";
 import { useBrowserSearchParams, useCreateNavigation } from "@metis/core/client";
 import { ResourceCatalogPage, ResourcesPage } from "@metis/resources/client";
 
@@ -48,6 +48,8 @@ export function CompanySection({
   const profileId = searchParams.get("profileId") ?? undefined;
 
   switch (tab) {
+    case "infrastructure":
+      return <InfrastructurePage companyId={company.id} />;
     case "overview":
       return <CompanyOverview company={company} />;
     case "catalogs":
diff --git a/modules/companies/src/web/companies/shared/types/company-tab.ts b/modules/companies/src/web/companies/shared/types/company-tab.ts
index 0399e33..4edd624 100644
--- a/modules/companies/src/web/companies/shared/types/company-tab.ts
+++ b/modules/companies/src/web/companies/shared/types/company-tab.ts
@@ -12,6 +12,7 @@ export type CompanyTab =
   | "resources"
   | "assets"
   | "inventory"
+  | "infrastructure"
   | "workstations"
   | "certificates"
   | "applications"
diff --git a/modules/companies/src/web/infrastructure/shared/helpers/printer-usage.test.ts b/modules/companies/src/web/infrastructure/shared/helpers/printer-usage.test.ts
new file mode 100644
index 0000000..41e5da1
--- /dev/null
+++ b/modules/companies/src/web/infrastructure/shared/helpers/printer-usage.test.ts
@@ -0,0 +1,98 @@
+import assert from "node:assert/strict";
+import { test } from "node:test";
+
+import { UniqueID } from "@repo/rdx-ddd";
+
+import { PrinterConfigurationSchema } from "../../../../common/printer-configurations";
+import { WorkProfileSchema } from "../../../../common/work-profiles";
+
+import { printerUsage } from "./printer-usage";
+
+const id = () => UniqueID.generateNewID().toPrimitive();
+
+const companyId = id();
+const actorId = id();
+const printerId = id();
+const a1 = id();
+const a2 = id();
+
+function profile(assetId: string) {
+  const values = {
+    name: "Perfil",
+    assetId,
+    personId: id(),
+    accountId: null,
+    active: true,
+    notes: null,
+  };
+
+  return WorkProfileSchema.parse({
+    id: id(),
+    companyId,
+    values,
+    needsReview: false,
+    history: [
+      { id: id(), values, actorId, actorName: "Técnico", recordedAt: "2026-10-17T10:00:00.000Z" },
+    ],
+  });
+}
+
+function configuration(
+  profileId: string,
+  state: "configured" | "pending" | "removal_pending" | "removed" | "never_configured"
+) {
+  const values = {
+    profileId,
+    printerId,
+    connection: "network",
+    isDefault: false,
+    state,
+    notes: null,
+  };
+
+  return PrinterConfigurationSchema.parse({
+    id: id(),
+    companyId,
+    values,
+    needsReview: false,
+    history: [
+      { id: id(), values, actorId, actorName: "Técnico", recordedAt: "2026-10-17T10:00:00.000Z" },
+    ],
+  });
+}
+
+test("uso de impresora: agrupa perfiles de un mismo equipo y separa pendientes e historial", () => {
+  const one = profile(a1);
+  const two = profile(a1);
+  const three = profile(a2);
+  const configurations = [
+    configuration(one.id, "configured"),
+    configuration(two.id, "pending"),
+    configuration(three.id, "removal_pending"),
+    configuration(one.id, "removed"),
+    configuration(two.id, "never_configured"),
+  ];
+  const usage = printerUsage(
+    printerId,
+    configurations,
+    [one, two, three],
+    [
+      { id: a1, values: { name: "A1" } },
+      { id: a2, values: { name: "A2" } },
+    ]
+  );
+
+  assert.equal(usage.groups.length, 2);
+  assert.equal(usage.groups[0]?.configurations.length, 2);
+  assert.equal(usage.groups[1]?.configurations[0]?.configuration.values.state, "removal_pending");
+  assert.equal(usage.history.length, 2);
+  assert.equal(printerUsage(id(), configurations, [one, two, three], []).groups.length, 0);
+});
+
+test("uso de impresora: referencias sin resolver no se presentan como ausencia de uso", () => {
+  const missing = configuration(id(), "configured");
+  const usage = printerUsage(printerId, [missing], [], []);
+
+  assert.equal(usage.groups.length, 0);
+  assert.equal(usage.unresolved.length, 1);
+});
diff --git a/modules/companies/src/web/infrastructure/shared/helpers/printer-usage.ts b/modules/companies/src/web/infrastructure/shared/helpers/printer-usage.ts
new file mode 100644
index 0000000..566baac
--- /dev/null
+++ b/modules/companies/src/web/infrastructure/shared/helpers/printer-usage.ts
@@ -0,0 +1,57 @@
+import type { PrinterConfigurationDTO } from "../../../../common/printer-configurations";
+import type { WorkProfileDTO } from "../../../../common/work-profiles";
+
+/** Agrupa el uso registrado por equipo; conserva estados pendientes y separa el historial terminal. */
+export function printerUsage(
+  assetId: string,
+  configurations: readonly PrinterConfigurationDTO[],
+  profiles: readonly WorkProfileDTO[],
+  assets: readonly { id: string; values: { name: string } }[]
+) {
+  const groups = new Map<
+    string,
+    {
+      id: string;
+      name: string;
+      configurations: { configuration: PrinterConfigurationDTO; profile: WorkProfileDTO }[];
+    }
+  >();
+  const history = configurations.filter(
+    (item) =>
+      item.values.printerId === assetId &&
+      ["removed", "never_configured"].includes(item.values.state)
+  );
+  const unresolved = configurations.filter(
+    (item) =>
+      item.values.printerId === assetId &&
+      !["removed", "never_configured"].includes(item.values.state) &&
+      !profiles.some((profile) => profile.id === item.values.profileId)
+  );
+
+  for (const item of configurations.filter(
+    (entry) =>
+      entry.values.printerId === assetId &&
+      !["removed", "never_configured"].includes(entry.values.state)
+  )) {
+    const profile = profiles.find((entry) => entry.id === item.values.profileId);
+
+    if (!profile) {
+      continue;
+    }
+    const id = profile.values.assetId;
+    const group = groups.get(id) ?? {
+      id,
+      name: assets.find((entry) => entry.id === id)?.values.name ?? "—",
+      configurations: [],
+    };
+
+    group.configurations.push({ configuration: item, profile });
+    groups.set(id, group);
+  }
+
+  return {
+    groups: [...groups.values()].sort((a, b) => a.name.localeCompare(b.name)),
+    history,
+    unresolved,
+  };
+}
diff --git a/modules/companies/src/web/infrastructure/shared/ui/asset-printer-usage.tsx b/modules/companies/src/web/infrastructure/shared/ui/asset-printer-usage.tsx
new file mode 100644
index 0000000..01a3e19
--- /dev/null
+++ b/modules/companies/src/web/infrastructure/shared/ui/asset-printer-usage.tsx
@@ -0,0 +1,118 @@
+import { inventoryApi, inventoryKeys } from "@metis/assets/client";
+import { BrowserLink, useListQuery } from "@metis/core/client";
+import { Button } from "@repo/shadcn-ui/components/button";
+import { useTranslation } from "react-i18next";
+
+import type { CompanyDTO } from "../../../../common";
+import { printerApi, printerKeys } from "../../../printer-configurations/shared/api";
+import { profileApi, profileKeys } from "../../../work-profiles/shared/api";
+import { printerUsage } from "../helpers/printer-usage";
+
+export function AssetPrinterUsage({ company, assetId }: { company: CompanyDTO; assetId: string }) {
+  const { t } = useTranslation("companies");
+  const printers = useListQuery({
+    queryKey: printerKeys.company(company.id),
+    queryFn: () => printerApi.get(company.id),
+  });
+  const profiles = useListQuery({
+    queryKey: profileKeys.company(company.id),
+    queryFn: () => profileApi.get(company.id),
+  });
+  const inventory = useListQuery({
+    queryKey: inventoryKeys.company(company.id),
+    queryFn: () => inventoryApi.get(company.id),
+  });
+  const failed = printers.isError || profiles.isError || inventory.isError;
+  const usage = printerUsage(
+    assetId,
+    printers.data?.configurations ?? [],
+    profiles.data?.profiles ?? [],
+    inventory.data?.assets ?? []
+  );
+
+  if (printers.isPending || profiles.isPending || inventory.isPending) {
+    return <p role="status">{t("loading")}</p>;
+  }
+  if (failed) {
+    return (
+      <div>
+        <p role="alert">{t("infrastructureUsage.error")}</p>
+        <Button
+          onClick={() => {
+            Promise.all([printers.refetch(), profiles.refetch(), inventory.refetch()]).catch(
+              () => undefined
+            );
+          }}
+          size="sm"
+          variant="outline"
+        >
+          {t("retry")}
+        </Button>
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-3">
+      {!usage.groups.length && (
+        <p className="text-sm text-muted-foreground">{t("infrastructureUsage.empty")}</p>
+      )}
+      {usage.unresolved.length > 0 && <p role="alert">{t("infrastructureUsage.incomplete")}</p>}
+      <ul className="space-y-3">
+        {usage.groups.map((group) => (
+          <li className="rounded-md border p-3 text-sm" key={group.id}>
+            <BrowserLink
+              className="font-medium"
+              href={`/companies/${company.id}/assets/${group.id}`}
+            >
+              {group.name}
+            </BrowserLink>
+            <ul className="mt-2 space-y-2">
+              {group.configurations.map(({ profile, configuration }) => (
+                <li key={configuration.id}>
+                  <BrowserLink href={`/companies/${company.id}/work-profiles/${profile.id}`}>
+                    {profile.values.name}
+                  </BrowserLink>{" "}
+                  ·{" "}
+                  {company.people.find((person) => person.id === profile.values.personId)?.name ??
+                    "—"}
+                  <p className="text-muted-foreground">
+                    {t(`mail.${configuration.values.state}`)} ·{" "}
+                    {t(`printers.${configuration.values.connection}`)}
+                    {configuration.values.isDefault ? ` · ${t("infrastructureUsage.default")}` : ""}
+                  </p>
+                  {(!profile.values.active || configuration.needsReview) && (
+                    <p className="text-amber-700 dark:text-amber-400">
+                      {t("infrastructureUsage.review")}
+                    </p>
+                  )}
+                </li>
+              ))}
+            </ul>
+          </li>
+        ))}
+      </ul>
+      {usage.history.length > 0 && (
+        <details>
+          <summary className="cursor-pointer text-sm">
+            {t("infrastructureUsage.history", { count: usage.history.length })}
+          </summary>
+          <ul className="mt-2 space-y-2">
+            {usage.history.map((item) => (
+              <li className="text-sm" key={item.id}>
+                <BrowserLink
+                  href={`/companies/${company.id}/work-profiles/${item.values.profileId}`}
+                >
+                  {profiles.data?.profiles.find((profile) => profile.id === item.values.profileId)
+                    ?.values.name ?? "—"}
+                </BrowserLink>{" "}
+                · {t(`mail.${item.values.state}`)}
+              </li>
+            ))}
+          </ul>
+        </details>
+      )}
+      <p className="text-xs text-muted-foreground">{t("infrastructureUsage.notice")}</p>
+    </div>
+  );
+}
diff --git a/modules/companies/src/web/workspace/shared/helpers/workspace-routes.ts b/modules/companies/src/web/workspace/shared/helpers/workspace-routes.ts
index e1fce9e..ae9e5be 100644
--- a/modules/companies/src/web/workspace/shared/helpers/workspace-routes.ts
+++ b/modules/companies/src/web/workspace/shared/helpers/workspace-routes.ts
@@ -8,6 +8,7 @@ import type { GlobalCatalog, WorkspaceLocation } from "../types/workspace-locati
 export const COMPANY_SECTION_PATHS = {
   overview: "",
   inventory: "assets",
+  infrastructure: "infrastructure",
   resources: "resources",
   workstations: "workstations",
   profiles: "work-profiles",
diff --git a/modules/companies/src/web/workspace/shared/workspace-routes.test.ts b/modules/companies/src/web/workspace/shared/workspace-routes.test.ts
index 318d0f7..8a954fd 100644
--- a/modules/companies/src/web/workspace/shared/workspace-routes.test.ts
+++ b/modules/companies/src/web/workspace/shared/workspace-routes.test.ts
@@ -89,6 +89,7 @@ test("todas las secciones de compañía tienen una ruta propia y el índice es e
   for (const section of [
     "overview",
     "inventory",
+    "infrastructure",
     "resources",
     "workstations",
     "profiles",