diff --git a/ipv6/hk.cidr b/ipv6/hk.cidr
index f79a6579f..9fc426689 100644
--- a/ipv6/hk.cidr
+++ b/ipv6/hk.cidr
@@ -603,6 +603,7 @@
 2406:1040::/32
 2406:1ec0::/32
 2406:2280::/32
+2406:2440::/32
 2406:4300::/32
 2406:7180::/32
 2406:8100::/32