diff --git a/data/aut-num/AS4242421823 b/data/aut-num/AS4242421823
new file mode 100644
index 000000000..ad087d3f8
--- /dev/null
+++ b/data/aut-num/AS4242421823
@@ -0,0 +1,6 @@
+aut-num:            AS4242421823
+as-name:            BLK-AS
+admin-c:            BLK-DN42
+tech-c:             BLK-DN42
+mnt-by:             BLK-MNT
+source:             DN42
\ No newline at end of file