diff --git a/ipv6/mx.cidr b/ipv6/mx.cidr
index 2e8ebcbb7..395d3dbaa 100644
--- a/ipv6/mx.cidr
+++ b/ipv6/mx.cidr
@@ -141,7 +141,6 @@
 2806:400::/30
 2806:404::/31
 2806:406::/32
-2806:408::/30
-2806:40c::/31
-2806:40e::/32
+2806:408::/29
+2806:410::/32
 2806:1000::/24