diff --git a/data/cncity/440100.txt b/data/cncity/440100.txt
index 486f2571..ce8deb23 100644
--- a/data/cncity/440100.txt
+++ b/data/cncity/440100.txt
@@ -2539,6 +2539,7 @@
 210.5.12.0/24
 210.5.15.0/24
 210.5.16.0/23
+210.5.23.0/24
 210.5.29.0/24
 210.5.30.0/30
 210.5.30.8/29
diff --git a/data/cncity/440300.txt b/data/cncity/440300.txt
index 950a825f..4b2452f0 100644
--- a/data/cncity/440300.txt
+++ b/data/cncity/440300.txt
@@ -1594,7 +1594,6 @@
 203.209.255.128/26
 210.5.18.0/24
 210.5.21.0/24
-210.5.23.0/24
 210.21.192.0/21
 210.21.200.0/22
 210.21.204.0/24