diff --git a/meta/network.nix b/meta/network.nix
new file mode 100644
index 0000000..5cc7dd7
--- /dev/null
+++ b/meta/network.nix
@@ -0,0 +1,74 @@
+{
+  physical-networks = {
+    init7-calanda = {
+      v4 = {
+        id = "85.195.200.253";
+        bitmask = 24;
+      };
+      hosts = { calanda = { v4.ip = "85.195.200.253"; }; };
+    };
+
+    calanda-dmz = {
+      v4 = {
+        id = "10.1.2.0";
+        bitmask = 24;
+      };
+
+      hosts = {
+        calanda.v4.ip = "10.1.2.1";
+        montalin.v4.ip = "10.1.2.2";
+      };
+    };
+
+    calanda-lan = {
+      v4 = {
+        id = "10.1.1.0";
+        bitmask = 24;
+      };
+
+      hosts = { calanda.v4.ip = "10.1.1.1"; };
+    };
+
+    bachtel-lan = {
+      v4 = {
+        id = "10.2.1.0";
+        bitmask = 24;
+      };
+    };
+
+    stompert-lan = {
+      #TODO
+      hosts = {
+        stompert.v4.ip = ""; # TODO
+      };
+    };
+  };
+
+  virtual-networks = {
+    mgmt = {
+      v4 = {
+        id = "10.249.0.0";
+        bitmask = 23;
+      };
+
+      hosts = {
+        montalin.v4.ip = "10.249.0.1";
+        calanda.v4.ip = "10.249.0.2";
+        cavistrau.v4.ip = "10.249.0.3";
+        stompert.v4.ip = "10.249.0.4";
+      };
+    };
+
+    montalin-stompert = {
+      v4 = {
+        id = "10.249.2.0";
+        bitmask = 24;
+      };
+
+      hosts = {
+        montalin.v4.ip = "10.249.2.1";
+        stompert.v4.ip = "10.249.2.2";
+      };
+    };
+  };
+}