diff --git a/ipv6/ar.cidr b/ipv6/ar.cidr
index c8b04de6b..f1a2ef7cf 100644
--- a/ipv6/ar.cidr
+++ b/ipv6/ar.cidr
@@ -677,6 +677,7 @@
 2803:8d60::/32
 2803:8dc0::/32
 2803:8ee0::/32
+2803:8f10::/32
 2803:8f40::/32
 2803:8f60::/32
 2803:8fa0::/32
diff --git a/ipv6/co.cidr b/ipv6/co.cidr
index ba8816edc..8de5c89ad 100644
--- a/ipv6/co.cidr
+++ b/ipv6/co.cidr
@@ -234,6 +234,7 @@
 2801:16c::/44
 2801:16e::/40
 2801:170::/36
+2801:171::/44
 2801:172::/44
 2801:174::/44
 2801:176::/44