diff --git a/data/inetnum/172.23.203.0_25 b/data/inetnum/172.23.203.0_25
index 83e793458..c4230e942 100644
--- a/data/inetnum/172.23.203.0_25
+++ b/data/inetnum/172.23.203.0_25
@@ -1,4 +1,4 @@
-inetnum:            172.23.203.0 - 172.23.203.128
+inetnum:            172.23.203.0 - 172.23.203.127
 cidr:               172.23.203.0/25
 netname:            MONARCH-NETWORK
 admin-c:            THEOM-DN42