diff --git a/ipv6/us.cidr b/ipv6/us.cidr
index f2c07fd0f..eeb7e5ff7 100644
--- a/ipv6/us.cidr
+++ b/ipv6/us.cidr
@@ -1027,6 +1027,7 @@
 2602:81b:6000::/44
 2602:81b:7000::/44
 2602:81b:8000::/44
+2602:f651::/36
 2602:f652::/40
 2602:f653::/40
 2602:f654::/40