diff --git a/data/cncity/100000.txt b/data/cncity/100000.txt
index 44ef7681..80829a08 100644
--- a/data/cncity/100000.txt
+++ b/data/cncity/100000.txt
@@ -1485,7 +1485,6 @@
 144.48.186.0/23
 144.48.204.0/22
 150.242.92.0/22
-150.242.121.0/24
 157.119.8.0/21
 157.119.16.0/22
 157.119.133.0/24
diff --git a/data/cncity/110000.txt b/data/cncity/110000.txt
index 619c0a09..39543829 100644
--- a/data/cncity/110000.txt
+++ b/data/cncity/110000.txt
@@ -2622,8 +2622,7 @@
 150.222.64.0/24
 150.222.88.0/23
 150.242.76.0/22
-150.242.120.0/24
-150.242.122.0/23
+150.242.120.0/22
 150.242.168.0/22
 150.242.184.0/22
 150.242.248.0/22
diff --git a/data/country/CN/CN-BJ.txt b/data/country/CN/CN-BJ.txt
index 619c0a09..39543829 100644
--- a/data/country/CN/CN-BJ.txt
+++ b/data/country/CN/CN-BJ.txt
@@ -2622,8 +2622,7 @@
 150.222.64.0/24
 150.222.88.0/23
 150.242.76.0/22
-150.242.120.0/24
-150.242.122.0/23
+150.242.120.0/22
 150.242.168.0/22
 150.242.184.0/22
 150.242.248.0/22