diff --git a/ipv6/ph.cidr b/ipv6/ph.cidr
index 1a12ad07e..cf6282829 100644
--- a/ipv6/ph.cidr
+++ b/ipv6/ph.cidr
@@ -115,6 +115,7 @@
 2001:df5:9040::/45
 2001:df5:a4c0::/48
 2001:df5:b6c0::/48
+2001:df5:ba40::/48
 2001:df5:d680::/48
 2001:df5:d980::/48
 2001:df5:da00::/48