diff --git a/data/aut-num/AS209557 b/data/aut-num/AS209557
new file mode 100644
index 000000000..14905ebed
--- /dev/null
+++ b/data/aut-num/AS209557
@@ -0,0 +1,6 @@
+aut-num:            AS209557
+as-name:            YI-NETWORK
+admin-c:            YI-DN42
+tech-c:             YI-DN42
+mnt-by:             YI-MNT
+source:             DN42