diff --git a/hosts/containers/dn42/configuration.nix b/hosts/containers/dn42/configuration.nix
index d5966d87..edf0fa57 100644
--- a/hosts/containers/dn42/configuration.nix
+++ b/hosts/containers/dn42/configuration.nix
@@ -9,10 +9,10 @@ in {
     [ ../../../lib/lxc-container.nix
       ../../../lib/shared.nix
       ../../../lib/admins.nix
+      ../../../lib/default-gateway.nix
     ];
 
   networking.hostName = "dn42";
-  networking.defaultGateway = "172.22.99.4";
   # networking.defaultGateway6 = {
   #   address = "2a02:8106:208:5201::c3d2:4";
   #   interface = "eth0";
diff --git a/hosts/containers/grafana/configuration.nix b/hosts/containers/grafana/configuration.nix
index c9f9fcf2..7f67965f 100644
--- a/hosts/containers/grafana/configuration.nix
+++ b/hosts/containers/grafana/configuration.nix
@@ -9,7 +9,6 @@
 
   networking.hostName = "grafana";
   networking.useNetworkd = true;
-  #networking.defaultGateway = "172.22.99.4";
   # Needs IPv4 for obtaining certs?
   networking.useDHCP = false;
   networking.interfaces.eth0.useDHCP = true;
diff --git a/hosts/containers/public-access-proxy/configuration.nix b/hosts/containers/public-access-proxy/configuration.nix
index 7f66647c..2e6b4e46 100644
--- a/hosts/containers/public-access-proxy/configuration.nix
+++ b/hosts/containers/public-access-proxy/configuration.nix
@@ -9,12 +9,12 @@
     [ ../../../lib/lxc-container.nix
       ../../../lib/shared.nix
       ../../../lib/admins.nix
+      ../../../lib/default-gateway.nix
       ./proxy.nix
     ];
 
   networking.hostName = "public-access-proxy";
   networking.useNetworkd = true;
-  networking.defaultGateway = "172.22.99.4";
   networking.useDHCP = lib.mkForce true;
 
   my.services.proxy = {
diff --git a/hosts/containers/spaceapi/configuration.nix b/hosts/containers/spaceapi/configuration.nix
index 49bc271e..ceb6f4fa 100644
--- a/hosts/containers/spaceapi/configuration.nix
+++ b/hosts/containers/spaceapi/configuration.nix
@@ -8,12 +8,12 @@ in
     [ ../../../lib/lxc-container.nix
       ../../../lib/shared.nix
       ../../../lib/admins.nix
+      ../../../lib/default-gateway.nix
       "${spacemsgGit}/spaceapi/module.nix"
     ];
 
   networking.hostName = "spaceapi";
   networking.useNetworkd = true;
-  networking.defaultGateway = "172.22.99.4";
   networking.useDHCP = lib.mkForce true;
   networking.firewall.allowedTCPPorts = [ 3000 3001 ];
 
diff --git a/hosts/glotzbert/configuration.nix b/hosts/glotzbert/configuration.nix
index 2898f45f..d5e6ee7d 100644
--- a/hosts/glotzbert/configuration.nix
+++ b/hosts/glotzbert/configuration.nix
@@ -16,6 +16,7 @@ in
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      ../../lib/default-gateway.nix
     ];
 
   # Use the systemd-boot EFI boot loader.
@@ -25,7 +26,6 @@ in
 
   networking.hostName = "glotzbert"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-  networking.defaultGateway = "172.22.99.4";
 
   # Configure network proxy if necessary
   # networking.proxy.default = "http://user:password@proxy:port/";
diff --git a/hosts/storage-ng/configuration.nix b/hosts/storage-ng/configuration.nix
index 0da134c8..47e9cd5e 100644
--- a/hosts/storage-ng/configuration.nix
+++ b/hosts/storage-ng/configuration.nix
@@ -13,6 +13,7 @@
       ../../lib/users.nix
       ./ncdc.nix
       ../../lib/mpd.nix
+      ../../lib/default-gateway.nix
     ];
 
   boot.loader.systemd-boot.enable = true;
diff --git a/lib/default-gateway.nix b/lib/default-gateway.nix
new file mode 100644
index 00000000..5854bca3
--- /dev/null
+++ b/lib/default-gateway.nix
@@ -0,0 +1,5 @@
+{ config, pkgs, lib, strings, ... }:
+
+{
+  networking.defaultGateway = "172.22.99.4";
+}