diff --git a/data/inetnum/172.21.75.64_26 b/data/inetnum/172.21.75.64_26
index 702817d6f..511e5c705 100644
--- a/data/inetnum/172.21.75.64_26
+++ b/data/inetnum/172.21.75.64_26
@@ -6,6 +6,6 @@ remarks:            Peer with me at zhihuiyuze@qq.com.com
 mnt-by:             ZHYZ-MNT
 status:             ALLOCATED
 country:            CN
-admin-c:            ZHYA-DN42
+admin-c:            ZHYZ-DN42
 tech-c:             ZHYZ-DN42
 source:             DN42