diff --git a/data/aut-num/AS4242423821 b/data/aut-num/AS4242423821
index 8ea7a4d36..07ae16f97 100644
--- a/data/aut-num/AS4242423821
+++ b/data/aut-num/AS4242423821
@@ -1,4 +1,4 @@
-aut-num:            AS4242423820
+aut-num:            AS4242423821
 as-name:            HATO-AS
 admin-c:            HATO-DN42
 tech-c:             HATO-DN42