diff --git a/config/default.nix b/config/default.nix
index 8fa9ff9..7c31f67 100644
--- a/config/default.nix
+++ b/config/default.nix
@@ -1,4 +1,8 @@
-{ lib, ... }:
+{ config, lib, ... }:
+
+let
+  concatMapAttrsRecursive = with lib; f: flip pipe [ (mapAttrs f) attrValues (foldl' recursiveUpdate { }) ];
+in
 {
   imports = [
     # Secrets
@@ -9,7 +13,9 @@
     ./switch.nix
     ./ap.nix
     ./server.nix
-  ] ++
+  ]
   # IP networks
-  lib.filesystem.listFilesRecursive ./net;
+  ++ lib.filesystem.listFilesRecursive ./net;
+
+  site.net-combined = concatMapAttrsRecursive (name: value: { inherit (value) hosts4 hosts6; }) config.site.net;
 }
diff --git a/flake.lock b/flake.lock
index 615f1f2..9f94c96 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1670700605,
-        "narHash": "sha256-5dlpATkcyITpdtMflhltuD+A3RNpsVI1Mb+dtKkll6Y=",
+        "lastModified": 1671501966,
+        "narHash": "sha256-lU7VRKyqWrkE71BmJXlPGOJX7IFiia1CS15HhVwr8L4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7b9eeb856cbf976482fa8d1cb295ea03fb3e1277",
+        "rev": "333601f9a610632388e5613810f180babfbb7f53",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "release-22.05",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -19,11 +19,11 @@
     "openwrt": {
       "flake": false,
       "locked": {
-        "lastModified": 1670801318,
-        "narHash": "sha256-qhXRQ6pgDON7i1qvd6KjXgDlj8mY2cY9eG+pTJtZq/c=",
+        "lastModified": 1671487822,
+        "narHash": "sha256-92mcPLi2nICLpOseqdH9dDti81hkD47rJrQK48aMQl8=",
         "ref": "openwrt-22.03",
-        "rev": "aef33ab13a294ba879d3d2f9407015feeb4e3908",
-        "revCount": 54439,
+        "rev": "3de4572ed30865450047c0b2641afae20bcced15",
+        "revCount": 54459,
         "type": "git",
         "url": "https://git.openwrt.org/openwrt/openwrt.git"
       },
@@ -40,11 +40,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1671205751,
-        "narHash": "sha256-lpoeHn5HNkUOxhBpvK6aF/A0I9zQzTRAYxA0MAaSt+Y=",
+        "lastModified": 1671442525,
+        "narHash": "sha256-iC/SZW6kKEl/ystG/6dU7WBZmoCarpxHS/clp3Ep15g=",
         "owner": "astro",
         "repo": "nix-openwrt-imagebuilder",
-        "rev": "61d5a2a164b833837d0ac386afae3753806718d3",
+        "rev": "cfc545f1776d7886559abb5f362281dfb147883f",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 48ccab2..9920851 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Zentralwerk network";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/release-22.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     openwrt = {
       url = "git+https://git.openwrt.org/openwrt/openwrt.git?ref=openwrt-22.03";
       flake = false;
diff --git a/nix/lib/config/options.nix b/nix/lib/config/options.nix
index 69d3859..dbd79e4 100644
--- a/nix/lib/config/options.nix
+++ b/nix/lib/config/options.nix
@@ -587,6 +587,12 @@ in
       type = with types; attrsOf (submodule netOpts);
     };
 
+    net-combined = mkOption {
+      description = "All hosts of all subnets";
+      default = {};
+      type = with types; submodule netOpts;
+    };
+
     hosts = mkOption {
       description = "All the static hosts";
       default = {};