diff --git a/data/cncity/110000.txt b/data/cncity/110000.txt
index b0dffaf5..7c48d831 100644
--- a/data/cncity/110000.txt
+++ b/data/cncity/110000.txt
@@ -3884,9 +3884,6 @@
 220.251.0.0/16
 220.252.0.0/16
 221.122.0.0/16
-221.123.0.0/18
-221.123.80.0/20
-221.123.96.0/19
 221.123.128.0/17
 221.130.32.0/20
 221.130.208.0/20
diff --git a/data/cncity/370000.txt b/data/cncity/370000.txt
index a9b884d6..c180d29d 100644
--- a/data/cncity/370000.txt
+++ b/data/cncity/370000.txt
@@ -453,6 +453,7 @@
 221.0.0.0/15
 221.2.0.0/16
 221.3.0.0/17
+221.123.0.0/17
 221.173.88.0/21
 221.173.96.0/19
 221.173.128.0/17
diff --git a/data/cncity/420000.txt b/data/cncity/420000.txt
index 0ff1f6a8..799caf7c 100644
--- a/data/cncity/420000.txt
+++ b/data/cncity/420000.txt
@@ -371,7 +371,6 @@
 220.207.136.0/22
 220.207.152.0/21
 220.249.64.0/18
-221.123.64.0/20
 221.174.120.0/25
 221.232.0.0/14
 222.20.0.0/16
diff --git a/data/cncity/420100.txt b/data/cncity/420100.txt
index 09f23a16..d207deeb 100644
--- a/data/cncity/420100.txt
+++ b/data/cncity/420100.txt
@@ -683,18 +683,6 @@
 220.203.57.0/24
 220.207.136.0/22
 220.249.64.0/18
-221.123.64.0/21
-221.123.72.0/25
-221.123.72.128/26
-221.123.72.192/27
-221.123.72.224/29
-221.123.72.232/32
-221.123.72.234/31
-221.123.72.236/30
-221.123.72.240/28
-221.123.73.0/24
-221.123.74.0/23
-221.123.76.0/22
 221.174.120.0/25
 221.232.0.0/16
 221.234.128.0/17
diff --git a/data/cncity/420900.txt b/data/cncity/420900.txt
index dd682ed8..c51bf34c 100644
--- a/data/cncity/420900.txt
+++ b/data/cncity/420900.txt
@@ -80,7 +80,6 @@
 219.138.192.0/20
 219.139.72.0/21
 219.139.80.0/22
-221.123.72.233/32
 221.233.192.0/20
 221.233.208.0/21
 221.234.112.0/20
diff --git a/data/country/CN/CN-BJ.txt b/data/country/CN/CN-BJ.txt
index b0dffaf5..7c48d831 100644
--- a/data/country/CN/CN-BJ.txt
+++ b/data/country/CN/CN-BJ.txt
@@ -3884,9 +3884,6 @@
 220.251.0.0/16
 220.252.0.0/16
 221.122.0.0/16
-221.123.0.0/18
-221.123.80.0/20
-221.123.96.0/19
 221.123.128.0/17
 221.130.32.0/20
 221.130.208.0/20
diff --git a/data/country/CN/CN-HB.txt b/data/country/CN/CN-HB.txt
index 0ff1f6a8..799caf7c 100644
--- a/data/country/CN/CN-HB.txt
+++ b/data/country/CN/CN-HB.txt
@@ -371,7 +371,6 @@
 220.207.136.0/22
 220.207.152.0/21
 220.249.64.0/18
-221.123.64.0/20
 221.174.120.0/25
 221.232.0.0/14
 222.20.0.0/16
diff --git a/data/country/CN/CN-SD.txt b/data/country/CN/CN-SD.txt
index a9b884d6..c180d29d 100644
--- a/data/country/CN/CN-SD.txt
+++ b/data/country/CN/CN-SD.txt
@@ -453,6 +453,7 @@
 221.0.0.0/15
 221.2.0.0/16
 221.3.0.0/17
+221.123.0.0/17
 221.173.88.0/21
 221.173.96.0/19
 221.173.128.0/17
diff --git a/data/isp/chinatelecom.txt b/data/isp/chinatelecom.txt
index 9430b345..71529017 100644
--- a/data/isp/chinatelecom.txt
+++ b/data/isp/chinatelecom.txt
@@ -3011,6 +3011,7 @@
 220.182.0.0/18
 220.184.0.0/13
 220.247.136.0/21
+221.123.0.0/17
 221.224.0.0/12
 222.64.0.0/11
 222.168.0.0/13