diff --git a/aut-num/AS4242421234 b/aut-num/AS4242421234
new file mode 100644
index 000000000..86bfc5d9a
--- /dev/null
+++ b/aut-num/AS4242421234
@@ -0,0 +1,7 @@
+aut-num:        AS4242421234
+as-name:        MisterX-AS
+descr:          Mein cooles AS für DN42
+admin-c:        MisterX-DN42
+tech-c:         MisterX-DN42
+mnt-by:         MisterX-MNT
+source:         DN42
diff --git a/inetnum/172.22.123.0_29 b/inetnum/172.22.123.0_29
new file mode 100644
index 000000000..d031a33bc
--- /dev/null
+++ b/inetnum/172.22.123.0_29
@@ -0,0 +1,6 @@
+inetnum:        172.22.123.0/29
+netname:        MisterX-net
+descr:          Mein IPv4 Block für DN42
+country:        DE
+mnt-by:         MisterX-MNT
+source:         DN42
diff --git a/people/MisterX b/people/MisterX
new file mode 100644
index 000000000..77ac3bd56
--- /dev/null
+++ b/people/MisterX
@@ -0,0 +1,4 @@
+person:         MisterX
+nic-hdl:        MisterX-DN42
+mnt-by:         MisterX-MNT
+source:         DN42