diff --git a/data/cncity/110000.txt b/data/cncity/110000.txt
index f2385436..892ebb72 100644
--- a/data/cncity/110000.txt
+++ b/data/cncity/110000.txt
@@ -6315,7 +6315,9 @@
 203.95.109.128/25
 203.95.110.0/23
 203.95.112.0/20
-203.99.16.0/20
+203.99.16.0/22
+203.99.20.0/23
+203.99.28.0/22
 203.100.80.0/21
 203.100.88.0/21
 203.100.192.0/21
diff --git a/data/country/CN.txt b/data/country/CN.txt
index 18ae44cb..190d4561 100644
--- a/data/country/CN.txt
+++ b/data/country/CN.txt
@@ -75442,7 +75442,9 @@
 203.95.208.0/22
 203.95.224.0/19
 203.99.8.0/21
-203.99.16.0/20
+203.99.16.0/22
+203.99.20.0/23
+203.99.28.0/22
 203.99.80.0/20
 203.100.32.0/20
 203.100.49.0/24
diff --git a/data/country/CN/CN-BJ.txt b/data/country/CN/CN-BJ.txt
index f2385436..892ebb72 100644
--- a/data/country/CN/CN-BJ.txt
+++ b/data/country/CN/CN-BJ.txt
@@ -6315,7 +6315,9 @@
 203.95.109.128/25
 203.95.110.0/23
 203.95.112.0/20
-203.99.16.0/20
+203.99.16.0/22
+203.99.20.0/23
+203.99.28.0/22
 203.100.80.0/21
 203.100.88.0/21
 203.100.192.0/21
diff --git a/data/special/china.txt b/data/special/china.txt
index 6290c9bf..3374ef50 100644
--- a/data/special/china.txt
+++ b/data/special/china.txt
@@ -4627,7 +4627,9 @@
 203.95.208.0/22
 203.95.224.0/19
 203.99.8.0/21
-203.99.16.0/20
+203.99.16.0/22
+203.99.20.0/23
+203.99.28.0/22
 203.99.80.0/20
 203.100.32.0/20
 203.100.49.0/24