diff --git a/data/cncity/110000.txt b/data/cncity/110000.txt
index 5bdd40a9..c2e04395 100644
--- a/data/cncity/110000.txt
+++ b/data/cncity/110000.txt
@@ -686,7 +686,7 @@
 43.227.140.0/22
 43.227.252.0/22
 43.228.32.0/21
-43.229.184.0/24
+43.229.184.0/22
 43.230.68.0/22
 43.230.124.0/22
 43.231.12.0/24
diff --git a/data/country/CN.txt b/data/country/CN.txt
index fa1a8350..7cc7aab2 100644
--- a/data/country/CN.txt
+++ b/data/country/CN.txt
@@ -527,7 +527,7 @@
 43.228.240.0/22
 43.229.49.0/24
 43.229.50.0/23
-43.229.184.0/24
+43.229.184.0/22
 43.229.216.0/22
 43.229.236.0/22
 43.230.20.0/22
diff --git a/data/country/CN/CN-BJ.txt b/data/country/CN/CN-BJ.txt
index 5bdd40a9..c2e04395 100644
--- a/data/country/CN/CN-BJ.txt
+++ b/data/country/CN/CN-BJ.txt
@@ -686,7 +686,7 @@
 43.227.140.0/22
 43.227.252.0/22
 43.228.32.0/21
-43.229.184.0/24
+43.229.184.0/22
 43.230.68.0/22
 43.230.124.0/22
 43.231.12.0/24
diff --git a/data/country/ID.txt b/data/country/ID.txt
index fca294dd..e984c984 100644
--- a/data/country/ID.txt
+++ b/data/country/ID.txt
@@ -1962,6 +1962,7 @@
 150.129.188.0/22
 152.32.152.0/22
 152.118.0.0/16
+156.251.71.0/24
 157.119.56.0/22
 157.119.220.0/22
 160.19.64.0/22
diff --git a/data/country/JP.txt b/data/country/JP.txt
index df616c9c..44ff5e2d 100644
--- a/data/country/JP.txt
+++ b/data/country/JP.txt
@@ -877,8 +877,6 @@
 43.229.152.0/22
 43.229.168.0/21
 43.229.176.0/21
-43.229.185.0/24
-43.229.186.0/23
 43.229.188.0/22
 43.229.192.0/21
 43.229.204.0/22
diff --git a/data/country/ZA.txt b/data/country/ZA.txt
index 3fa57e13..bc3346af 100644
--- a/data/country/ZA.txt
+++ b/data/country/ZA.txt
@@ -1891,7 +1891,13 @@
 156.249.64.0/18
 156.249.128.0/17
 156.250.0.0/16
-156.251.0.0/17
+156.251.0.0/18
+156.251.64.0/22
+156.251.68.0/23
+156.251.70.0/24
+156.251.72.0/21
+156.251.80.0/20
+156.251.96.0/19
 156.251.128.0/23
 156.251.130.0/26
 156.251.130.64/29
diff --git a/data/isp/chinaunicom.txt b/data/isp/chinaunicom.txt
index 025a1855..889eb6f2 100644
--- a/data/isp/chinaunicom.txt
+++ b/data/isp/chinaunicom.txt
@@ -491,7 +491,6 @@
 43.251.232.0/22
 43.252.84.0/22
 43.254.8.0/22
-43.254.24.0/22
 43.254.72.0/22
 43.254.100.0/22
 43.254.106.0/24
diff --git a/data/special/china.txt b/data/special/china.txt
index 5442ac8e..193f3bcf 100644
--- a/data/special/china.txt
+++ b/data/special/china.txt
@@ -513,7 +513,7 @@
 43.228.240.0/22
 43.229.49.0/24
 43.229.50.0/23
-43.229.184.0/24
+43.229.184.0/22
 43.229.216.0/22
 43.229.236.0/22
 43.230.20.0/22