diff --git a/config/net/serv.nix b/config/net/serv.nix
index 116dfe8..cce7354 100644
--- a/config/net/serv.nix
+++ b/config/net/serv.nix
@@ -18,7 +18,7 @@
       used5 = "172.20.73.12";
       logging = "172.20.73.13";
       used6 = "172.20.73.14";
-      # unused = "172.20.73.15";
+      buzzrelay = "172.20.73.15";
       deployer = "172.20.73.16";
       used7 = "172.20.73.17";
       used8 = "172.20.73.18";
@@ -118,6 +118,7 @@
       network-homepage = "fd23:42:c3d2:582:2f";
       owncast = "fd23:42:c3d2:582:32";
       prometheus = "fd23:42:c3d2:582:4b";
+      buzzrelay = "fd23:42:c3d2:582:f";
     };
     hosts6.up4 = {
       bind = "2a00:8180:2c00:282:cd7:56ff:fe69:6366";
@@ -162,6 +163,7 @@
       owncast = "2a00:8180:2c00:282::32";
       prometheus = "2a00:8180:2c00:282::4b";
       # unused = "2a00:8180:2c00:282::4c";
+      buzzrelay = "2a00:8180:2c00:282::f";
     };
   };