diff --git a/data/aut-num/AS4242428501 b/data/aut-num/AS4242428501
new file mode 100644
index 000000000..fb580277b
--- /dev/null
+++ b/data/aut-num/AS4242428501
@@ -0,0 +1,6 @@
+aut-num:            AS4242423999
+as-name:            MARKR-AS
+admin-c:            MARKR-DN42
+tech-c:             MARKR-DN42
+mnt-by:             MARKR-MNT
+source:             DN42
\ No newline at end of file