diff --git a/data/cncity/630100.txt b/data/cncity/630100.txt
index 62339c10..5e086277 100644
--- a/data/cncity/630100.txt
+++ b/data/cncity/630100.txt
@@ -1045,11 +1045,12 @@
 210.12.204.0/27
 210.12.204.32/28
 210.12.204.48/31
-210.12.204.51/32
+210.12.204.50/31
 210.12.204.52/30
 210.12.204.56/29
 210.12.204.64/26
 210.12.204.128/25
+210.12.214.74/32
 210.12.214.110/32
 210.12.216.0/24
 210.27.128.0/20
@@ -1527,7 +1528,7 @@
 220.167.144.4/31
 220.167.144.6/31
 220.167.144.8/31
-220.167.144.11/32
+220.167.144.10/31
 220.167.144.12/30
 220.167.144.16/31
 220.167.144.18/31
@@ -1796,23 +1797,21 @@
 221.207.13.12/30
 221.207.13.16/30
 221.207.13.20/31
-221.207.13.23/32
+221.207.13.22/31
 221.207.13.24/29
 221.207.13.32/28
 221.207.13.48/31
 221.207.13.50/31
-221.207.13.52/32
-221.207.13.54/31
+221.207.13.52/30
 221.207.13.56/29
 221.207.13.64/26
 221.207.13.128/31
-221.207.13.130/32
-221.207.13.132/32
-221.207.13.134/31
+221.207.13.130/31
+221.207.13.132/30
 221.207.13.136/29
 221.207.13.144/30
 221.207.13.148/31
-221.207.13.151/32
+221.207.13.150/31
 221.207.13.152/29
 221.207.13.160/27
 221.207.13.192/27