diff --git a/data/cncity/440100.txt b/data/cncity/440100.txt
index 5d50b252..673b985c 100644
--- a/data/cncity/440100.txt
+++ b/data/cncity/440100.txt
@@ -1207,14 +1207,6 @@
 120.238.199.192/26
 120.238.200.0/23
 120.238.202.0/24
-120.238.203.0/25
-120.238.203.128/27
-120.238.203.160/30
-120.238.203.164/31
-120.238.203.166/32
-120.238.203.168/29
-120.238.203.176/28
-120.238.203.192/26
 120.238.204.0/24
 120.238.206.0/23
 120.238.209.0/24
diff --git a/data/cncity/440300.txt b/data/cncity/440300.txt
index 35a1d284..e9c9552e 100644
--- a/data/cncity/440300.txt
+++ b/data/cncity/440300.txt
@@ -832,14 +832,6 @@
 120.198.19.64/26
 120.198.19.128/25
 120.198.20.0/24
-120.198.21.0/25
-120.198.21.128/26
-120.198.21.192/29
-120.198.21.200/31
-120.198.21.203/32
-120.198.21.204/30
-120.198.21.208/28
-120.198.21.224/27
 120.198.22.0/23
 120.198.24.0/24
 120.198.25.0/29
diff --git a/data/cncity/440400.txt b/data/cncity/440400.txt
index c4ef8464..6dd4ba69 100644
--- a/data/cncity/440400.txt
+++ b/data/cncity/440400.txt
@@ -144,9 +144,8 @@
 120.196.116.0/24
 120.196.216.0/22
 120.198.19.50/31
-120.198.21.202/32
-120.198.209.148/32
-120.198.209.156/31
+120.198.21.0/24
+120.198.209.0/24
 120.198.212.54/31
 120.198.212.84/31
 120.231.162.0/23
@@ -160,7 +159,7 @@
 120.238.165.0/31
 120.238.166.8/31
 120.238.199.146/31
-120.238.203.167/32
+120.238.203.0/24
 120.238.212.0/26
 120.238.254.128/28
 120.238.255.124/31
@@ -220,7 +219,7 @@
 183.232.144.0/22
 183.233.148.0/22
 183.234.20.0/22
-183.234.150.186/32
+183.234.150.0/24
 183.235.84.0/22
 183.235.212.0/22
 183.239.33.0/24