diff --git a/ipv4/us.cidr b/ipv4/us.cidr
index baab28826..52de1f08a 100644
--- a/ipv4/us.cidr
+++ b/ipv4/us.cidr
@@ -1445,7 +1445,6 @@
 23.151.132.0/24
 23.151.136.0/23
 23.151.152.0/24
-23.151.164.0/24
 23.151.172.0/24
 23.151.176.0/24
 23.151.180.0/24
@@ -1470,6 +1469,7 @@
 23.152.8.0/24
 23.152.12.0/24
 23.152.16.0/24
+23.152.20.0/24
 23.152.24.0/24
 23.152.32.0/24
 23.152.40.0/23
diff --git a/ipv6/us.cidr b/ipv6/us.cidr
index 470b67226..3734cddc4 100644
--- a/ipv6/us.cidr
+++ b/ipv6/us.cidr
@@ -1062,7 +1062,6 @@
 2602:f489::/40
 2602:f48a::/40
 2602:f48b::/36
-2602:f48c::/40
 2602:f48d::/36
 2602:f48e::/40
 2602:f48f::/40