diff --git a/ipv6/mx.cidr b/ipv6/mx.cidr
index f6d6e130..8036cded 100644
--- a/ipv6/mx.cidr
+++ b/ipv6/mx.cidr
@@ -112,7 +112,5 @@
 2806:380::/26
 2806:3c0::/27
 2806:3e0::/28
-2806:3f0::/31
-2806:3f2::/32
-2806:3f4::/30
+2806:3f0::/29
 2806:1000::/24