diff --git a/ipv6/ua.cidr b/ipv6/ua.cidr
index ba0074ea..f682fb2b 100644
--- a/ipv6/ua.cidr
+++ b/ipv6/ua.cidr
@@ -129,6 +129,7 @@
 2001:67c:25f4::/48
 2001:67c:26f8::/48
 2001:67c:27b4::/48
+2001:67c:2974::/48
 2001:67c:29e0::/48
 2001:67c:2ac0::/48
 2001:67c:2b14::/48