diff --git a/nix/lib/config/legacy.nix b/nix/lib/config/legacy.nix
index 481647f..1250d0f 100644
--- a/nix/lib/config/legacy.nix
+++ b/nix/lib/config/legacy.nix
@@ -54,6 +54,52 @@ in
         router = "c3d2-anon";
         start = "172.22.99.100";
         end = "172.22.99.199";
+        fixed-hosts = {
+          "astron.hq.c3d2.de" = "aa:00:5b:08:f0:5b";
+          "astrom.hq.c3d2.de" = "aa:00:5b:08:f0:5c";
+          "www1.hq.c3d2.de" = "aa:00:13:8b:03:47";
+          "dn42.hq.c3d2.de" = "aa:00:42:7a:32:46";
+          "icq.hq.c3d2.de" = "aa:00:30:f6:27:89";
+          "jabber1.hq.c3d2.de" = "aa:00:0b:19:8f:14";
+          "jabber2.hq.c3d2.de" = "aa:00:3d:6a:23:b8";
+          "wiefelspuetz.hq.c3d2.de" = "aa:00:7f:01:8a:d0";
+          "git.hq.c3d2.de" = "aa:00:47:d8:57:10";
+          "fernandopoo.hq.c3d2.de" = "aa:00:f7:52:85:27";
+          "moleflap.hq.c3d2.de" = "aa:00:0d:b1:6c:67";
+          "wormhole.hq.c3d2.de" = "00:23:c3:d2:00:76";
+          "sharing.hq.c3d2.de" = "00:23:c3:d2:75:18";
+          "drucker.hq.c3d2.de" = "00:23:c3:d2:12:0f";
+          "knot.hq.c3d2.de" = "52:54:cf:fd:ce:3f";
+          "bender.hq.c3de.de" = "00:23:df:7e:c8:0a";
+          "sofafon.hq.c3d2.de" = "b8:27:eb:23:8d:01";
+          "schalter.hq.c3d2.de" = "b8:27:eb:4c:be:ff";
+          "beere.hq.c3d2.de" = "b8:27:eb:ac:65:d2";
+          "ledball1.hq.c3d2.de" = "b8:27:eb:53:0b:27";
+          "cider.hq.c3d2.de" = "00:0d:93:75:ee:fa";
+          "semanta.hq.c3d2.de" = "00:ff:e4:bb:ea:2a";
+          "leviathan.hq.c3d2.de" = "00:ff:08:31:db:e5";
+          "beere2.hq.c3d2.de" = "b8:27:eb:53:0b:27";
+          "feile.hq.c3d2.de" = "aa:00:5b:12:c1:f7";
+          "matemat.hq.c3d2.de" = "a2:1b:7c:e8:19:72";
+          "172.22.99.98" = "08:00:27:aa:90:e2";
+          "172.22.99.96" = "08:00:27:bb:8c:b3";
+          "batman.hq.c3d2.de" = "5c:cf:7f:c0:05:28";
+          "monit.hq.c3d2.de" = "00:23:ae:94:e7:19";
+          "storage2.hq.c3d2.de" = "42:5e:0f:4e:f3:cc";
+          "server2.hq.c3d2.de" = "d0:67:e5:f3:57:10";
+          "server3.hq.c3d2.de" = "e4:1f:13:2e:4f:c0";
+          "server4.hq.c3d2.de" = "00:9c:02:a9:26:01";
+          "minecraft.hq.c3d2.de" = "4a:57:d3:64:fe:e9";
+          "ustriper.hq.c3d2.de" = "aa:bb:95:33:bb:aa";
+          "lisbeth.hq.c3d2.de" = "b8:27:eb:a5:ee:5c";
+          "ruststripe1.hq.c3d2.de" = "06:32:0e:39:21:69";
+          "fhem.hq.c3d2.de" = "b8:27:eb:9e:8b:db";
+          "glotzbert.hq.c3d2.de" = "ec:a8:6b:fe:b4:cb";
+          "pulsebert.hq.c3d2.de" = "dc:a6:32:31:b6:32";
+          "public-access-proxy.hq.c3d2.de" = "12:24:5f:bd:9b:e7";
+          "marenz-build.hq.c3d2.de" = "44:1e:a1:59:2e:e8";
+          "ledbeere.hq.c3d2.de" = "b8:27:eb:60:99:59";
+        };
         time = 86400;
         max-time = 30 * 86400;
       };