diff --git a/data/aut-num/AS4242423722 b/data/aut-num/AS4242423722
new file mode 100644
index 000000000..8646d463e
--- /dev/null
+++ b/data/aut-num/AS4242423722
@@ -0,0 +1,7 @@
+aut-num:            AS4242423722
+as-name:            YANGIU-AS
+descr:              Peer with me at iu_yang1@foxmail.com
+admin-c:            YANGIU-DN42
+tech-c:             YANGIU-DN42
+mnt-by:             YANGIU-MNT
+source:             DN42
\ No newline at end of file