diff --git a/data/aut-num/AS4242423120 b/data/aut-num/AS4242423120
index 6c9e81c10..2ca9914a1 100644
--- a/data/aut-num/AS4242423120
+++ b/data/aut-num/AS4242423120
@@ -1,5 +1,6 @@
-aut-num:        AS4242423120
-as-name:        RIPnet AS Designation
-admin-c:        RIPNET-DN42
-tech-c:         RIPNET-DN42
-mnt-by:         RIPNET-MNT
\ No newline at end of file
+aut-num:            AS4242423120
+as-name:            RIPnet AS Designation
+admin-c:            RIPNET-DN42
+tech-c:             RIPNET-DN42
+mnt-by:             RIPNET-MNT
+source:             DN42
\ No newline at end of file