diff --git a/ipv6/vn.cidr b/ipv6/vn.cidr
index 4c0b46243..751f3245f 100644
--- a/ipv6/vn.cidr
+++ b/ipv6/vn.cidr
@@ -479,6 +479,7 @@
 2001:df6:6f40::/48
 2001:df6:7000::/48
 2001:df6:77c0::/48
+2001:df6:80c0::/48
 2001:df6:9780::/48
 2001:df6:aa00::/48
 2001:df6:ac80::/48