diff --git a/ops/nixos/etheroute-lon01/README.md b/ops/nixos/etheroute-lon01/README.md
index 379ca465ef..0aaec0c540 100644
--- a/ops/nixos/etheroute-lon01/README.md
+++ b/ops/nixos/etheroute-lon01/README.md
@@ -14,5 +14,5 @@ Dedicated host running NixOS on Etheroute. PowerEdge R210.
 
 Internet:
 
-* 83.97.19.68/27 (gw 83.97.19.65)
+* 103.141.25.50/30 (gw 103.141.25.49)
 * 2a07:242:800:64::68/64 (gw 2a07:242:800:64::1)
diff --git a/ops/nixos/etheroute-lon01/default.nix b/ops/nixos/etheroute-lon01/default.nix
index 629855e4ac..f0025179b6 100644
--- a/ops/nixos/etheroute-lon01/default.nix
+++ b/ops/nixos/etheroute-lon01/default.nix
@@ -69,7 +69,7 @@ in {
     };
   };
   boot.kernelParams = [
-    "ip=83.97.19.68::83.97.19.65:255.255.255.224:etheroute-lon01:eno1:none"
+    "ip=103.141.25.50::103.141.25.49:255.255.255.252:etheroute-lon01:eno1:none"
   ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.kernel.sysctl = {
@@ -121,7 +121,7 @@ in {
       "8.8.4.4"
     ];
     defaultGateway = {
-      address = "83.97.19.65";
+      address = "103.141.25.49";
       interface = "eno1";
     };
     defaultGateway6 = {
@@ -129,7 +129,7 @@ in {
       interface = "eno1";
     };
     interfaces.eno1 = {
-      ipv4.addresses = [{ address = "83.97.19.68"; prefixLength = 27; }];
+      ipv4.addresses = [{ address = "103.141.25.50"; prefixLength = 30; }];
       ipv6.addresses = [{ address = "2a07:242:800:64::68"; prefixLength = 64; }];
     };
     interfaces.quadv1-4 = {
@@ -169,7 +169,7 @@ in {
 
   networking.greTunnels.quadv1-4 = {
     remote = "82.163.116.66";
-    local = "83.97.19.68";
+    local = "103.141.25.50";
     dev = "eno1";
     type = "tun";
   };
@@ -196,27 +196,27 @@ in {
     enable = true;
     config = {
       local = {
-        routerID = "83.97.19.68";
+        routerID = "103.141.25.50";
       };
       export.v4 = [ "92.118.31.0/24" ];
       peering = {
         etheroute = {
           local = local // {
-            v4 = "83.97.19.68";
+            v4 = "103.141.25.50";
             v6 = "2a07:242:800:64::68";
           };
           remote = {
             asn = 3170;
             export_community = 4000;
             routers = [{
-              v4 = "83.97.19.65";
+              v4 = "103.141.25.49";
               v6 = "2a07:242:800:64::1";
             }];
           };
         };
         bgptoolscollector = {
           local = local // {
-            v4 = "83.97.19.68";
+            v4 = "103.141.25.50";
             v6 = "2a07:242:800:64::68";
           };
           remote = {
diff --git a/ops/nixos/lib/coredns/zones/db.as205479.net b/ops/nixos/lib/coredns/zones/db.as205479.net
index 413df92be5..abcafc1844 100644
--- a/ops/nixos/lib/coredns/zones/db.as205479.net
+++ b/ops/nixos/lib/coredns/zones/db.as205479.net
@@ -1,9 +1,9 @@
-; SPDX-FileCopyrightText: 2021 Luke Granger-Brown <depot@lukegb.com>
+; SPDX-FileCopyrightText: 2023 Luke Granger-Brown <depot@lukegb.com>
 ;
 ; SPDX-License-Identifier: Apache-2.0
 
 ;              MNAME                        RNAME                  SERIAL REFRESH RETRY EXPIRE TTL
-@ 600 IN SOA   frantech-lux01.as205479.net. hostmaster.lukegb.com. 53     600     450   3600   300
+@ 600 IN SOA   frantech-lux01.as205479.net. hostmaster.lukegb.com. 54     600     450   3600   300
 
 ; NB: this are also glue records in Google Domains.
 $INCLUDE tmpl.ns
@@ -55,7 +55,7 @@ clouvider-lon01     3600 IN AAAA 2a0a:54c0:0:17::2
 clouvider-lon01.int 3600 IN A    100.79.173.25
 clouvider-lon01.int 3600 IN AAAA fd7a:115c:a1e0:ab12:4843:cd96:624f:ad19
 
-etheroute-lon01     3600 IN A    83.97.19.68
+etheroute-lon01     3600 IN A    103.141.25.50
 etheroute-lon01     3600 IN AAAA 2a07:242:800:64::68
 etheroute-lon01.int 3600 IN A    100.99.227.112
 etheroute-lon01.int 3600 IN AAAA fd7a:115c:a1e0:ab12:4843:cd96:6263:e370