diff --git a/data/aut-num/AS0 b/data/aut-num/AS0
new file mode 100644
index 000000000..399bb375f
--- /dev/null
+++ b/data/aut-num/AS0
@@ -0,0 +1,4 @@
+aut-num:            AS0
+as-name:            RESERVED
+mnt-by:             DN42-MNT
+source:             DN42