diff --git a/ipv6/bd.cidr b/ipv6/bd.cidr
index 9dea7c0c..793d286b 100644
--- a/ipv6/bd.cidr
+++ b/ipv6/bd.cidr
@@ -570,6 +570,7 @@
 2001:df4:4fc0::/48
 2001:df4:5280::/48
 2001:df4:52c0::/48
+2001:df4:5340::/48
 2001:df4:5380::/48
 2001:df4:5880::/48
 2001:df4:5980::/48