diff --git a/ipv6/br.cidr b/ipv6/br.cidr
index 22c1daa35..f05bbda05 100644
--- a/ipv6/br.cidr
+++ b/ipv6/br.cidr
@@ -8544,4 +8544,5 @@
 2804:83f8::/32
 2804:83fc::/32
 2804:8400::/32
+2804:8404::/32
 2a00:aee0::/29
diff --git a/ipv6/co.cidr b/ipv6/co.cidr
index 567d1223a..a40d12730 100644
--- a/ipv6/co.cidr
+++ b/ipv6/co.cidr
@@ -183,6 +183,7 @@
 2801:11a::/40
 2801:11c::/40
 2801:11e::/44
+2801:121::/44
 2801:122::/40
 2801:124::/44
 2801:126::/44