diff --git a/data/cncity/100000.txt b/data/cncity/100000.txt
index 513e69d2..35a42283 100644
--- a/data/cncity/100000.txt
+++ b/data/cncity/100000.txt
@@ -186,8 +186,6 @@
 42.128.0.0/16
 42.160.0.0/12
 42.199.255.0/24
-42.244.96.0/19
-42.244.128.0/17
 42.245.0.0/17
 42.245.128.0/18
 42.245.194.16/28
diff --git a/data/cncity/320000.txt b/data/cncity/320000.txt
index e7971306..1220972e 100644
--- a/data/cncity/320000.txt
+++ b/data/cncity/320000.txt
@@ -151,8 +151,7 @@
 42.199.248.0/24
 42.199.250.0/23
 42.199.252.0/24
-42.244.0.0/18
-42.244.64.0/19
+42.244.0.0/16
 42.247.0.0/27
 42.247.0.96/27
 42.247.1.200/29
diff --git a/data/cncity/320100.txt b/data/cncity/320100.txt
index 14fea6f9..1d81e7dd 100644
--- a/data/cncity/320100.txt
+++ b/data/cncity/320100.txt
@@ -65,7 +65,6 @@
 42.199.240.246/32
 42.199.248.0/24
 42.199.250.0/24
-42.244.80.0/20
 42.247.0.0/27
 42.247.4.192/26
 42.247.9.208/29
diff --git a/data/country/CN/CN-JS.txt b/data/country/CN/CN-JS.txt
index e7971306..1220972e 100644
--- a/data/country/CN/CN-JS.txt
+++ b/data/country/CN/CN-JS.txt
@@ -151,8 +151,7 @@
 42.199.248.0/24
 42.199.250.0/23
 42.199.252.0/24
-42.244.0.0/18
-42.244.64.0/19
+42.244.0.0/16
 42.247.0.0/27
 42.247.0.96/27
 42.247.1.200/29