diff --git a/ipv4/mx.cidr b/ipv4/mx.cidr
index ebe474cb..cfad71ab 100644
--- a/ipv4/mx.cidr
+++ b/ipv4/mx.cidr
@@ -12,7 +12,6 @@
 45.164.108.0/22
 45.164.136.0/22
 45.164.168.0/22
-45.164.206.0/24
 45.164.236.0/22
 45.166.100.0/22
 45.166.108.0/22
@@ -109,7 +108,6 @@
 131.161.56.0/22
 131.161.244.0/22
 131.178.0.0/16
-131.196.140.0/22
 131.196.244.0/22
 131.196.248.0/21
 132.247.0.0/16
diff --git a/ipv6/ar.cidr b/ipv6/ar.cidr
index 607c1bc5..a15784d2 100644
--- a/ipv6/ar.cidr
+++ b/ipv6/ar.cidr
@@ -916,6 +916,7 @@
 2803:d1e0::/32
 2803:d210::/32
 2803:d240::/32
+2803:d290::/32
 2803:d2c0::/32
 2803:d310::/32
 2803:d340::/32
diff --git a/ipv6/br.cidr b/ipv6/br.cidr
index b84f4ea8..4d3e4f7d 100644
--- a/ipv6/br.cidr
+++ b/ipv6/br.cidr
@@ -1143,7 +1143,6 @@
 2804:aac::/32
 2804:ab0::/32
 2804:ab8::/32
-2804:ac0::/32
 2804:ac4::/32
 2804:ac8::/32
 2804:acc::/32
@@ -4674,7 +4673,6 @@
 2804:4800::/32
 2804:4804::/32
 2804:4808::/32
-2804:480c::/32
 2804:4814::/32
 2804:4818::/32
 2804:4824::/32
diff --git a/ipv6/mx.cidr b/ipv6/mx.cidr
index e995748f..bcd0aad2 100644
--- a/ipv6/mx.cidr
+++ b/ipv6/mx.cidr
@@ -29,7 +29,8 @@
 2801:c4:19::/48
 2801:c4:1a::/48
 2801:c4:1c::/46
-2801:c4:20::/46
+2801:c4:20::/47
+2801:c4:23::/48
 2801:c4:24::/48
 2801:c4:26::/47
 2801:c4:28::/47
@@ -87,7 +88,6 @@
 2806:2e0::/30
 2806:2e5::/32
 2806:2e6::/31
-2806:2e9::/32
 2806:2ea::/31
 2806:2ec::/31
 2806:2ee::/32