diff --git a/ipv4/us.cidr b/ipv4/us.cidr
index 8ec2a87ff..38f172e24 100644
--- a/ipv4/us.cidr
+++ b/ipv4/us.cidr
@@ -10128,8 +10128,7 @@
 142.248.224.0/20
 142.248.240.0/21
 142.248.250.0/23
-142.248.252.0/24
-142.248.254.0/23
+142.248.252.0/22
 142.249.4.0/22
 142.249.8.0/21
 142.249.16.0/20