diff --git a/apps/base/bind-internal/resolvers/acls.yaml b/apps/base/bind-internal/resolvers/acls.yaml
index f3f935f..218a1c4 100644
--- a/apps/base/bind-internal/resolvers/acls.yaml
+++ b/apps/base/bind-internal/resolvers/acls.yaml
@@ -38,8 +38,8 @@ spec:
   clusterRef: bind-resolvers
   entries:
     - 198.18.24.0/24
-    - 198.18.30.0/24  # BinaryLane DMZ VPC syd (mail edge, via VPN)
-    - 198.18.31.0/24  # BinaryLane DMZ VPC mel (mail edge, via VPN)
+    - 172.18.30.0/24  # BinaryLane DMZ VPC syd (mail edge, via VPN)
+    - 172.18.31.0/24  # BinaryLane DMZ VPC mel (mail edge, via VPN)
 ---
 apiVersion: bind.unkin.net/v1alpha1
 kind: BindACL