diff --git a/data/cncity/610100.txt b/data/cncity/610100.txt
index 6dad5d44..39d9eede 100644
--- a/data/cncity/610100.txt
+++ b/data/cncity/610100.txt
@@ -541,7 +541,7 @@
 124.47.25.0/24
 124.47.27.0/24
 124.47.28.0/22
-124.47.32.0/19
+124.47.32.0/20
 124.89.2.0/23
 124.89.4.0/22
 124.89.8.0/23