diff --git a/ipv6/bd.cidr b/ipv6/bd.cidr
index e399cdb7..e5d1bc0f 100644
--- a/ipv6/bd.cidr
+++ b/ipv6/bd.cidr
@@ -626,6 +626,7 @@
 2001:df4:d480::/48
 2001:df4:d4c0::/48
 2001:df4:d580::/48
+2001:df4:dcc0::/48
 2001:df4:e080::/48
 2001:df4:ed80::/48
 2001:df4:ef00::/48