diff --git a/ipv6/id.cidr b/ipv6/id.cidr
index b2e36ecc7..7cf804546 100644
--- a/ipv6/id.cidr
+++ b/ipv6/id.cidr
@@ -1637,6 +1637,7 @@
 2401:e480::/32
 2401:ee00::/32
 2401:ef20::/32
+2401:f020::/32
 2401:f5c0::/32
 2401:f980::/32
 2401:fcc0::/32