diff --git a/ipv4/cn.cidr b/ipv4/cn.cidr
index df79fd46..41052874 100644
--- a/ipv4/cn.cidr
+++ b/ipv4/cn.cidr
@@ -3727,6 +3727,7 @@
 157.20.194.0/23
 157.20.246.0/23
 157.61.0.0/16
+157.66.42.0/23
 157.119.8.0/21
 157.119.16.0/22
 157.119.28.0/22