diff --git a/data/inetnum/172.23.91.192_27 b/data/inetnum/172.23.91.192_27
index b632dad05..6ad352814 100644
--- a/data/inetnum/172.23.91.192_27
+++ b/data/inetnum/172.23.91.192_27
@@ -1,4 +1,4 @@
-inetnum:            172.23.91.192-172.23.91.223
+inetnum:            172.23.91.192 - 172.23.91.223
 netname:            KENNHUANG-IPV4
 remarks:            Peer with me at kennhuang@alum.ccu.edu.tw
 descr:              Peer with me at kennhuang@alum.ccu.edu.tw