diff --git a/data/aut-num/AS4242422804 b/data/aut-num/AS4242422804
new file mode 100644
index 000000000..b5b06304a
--- /dev/null
+++ b/data/aut-num/AS4242422804
@@ -0,0 +1,6 @@
+aut-num:            AS4242422804
+as-name:            AS-DEV-NULL-DN42
+admin-c:            DEV-NULL-DN42
+tech-c:             DEV-NULL-DN42
+mnt-by:             DEV-NULL-MNT
+source:             DN42
diff --git a/data/inetnum/172.20.140.96_27 b/data/inetnum/172.20.140.96_27
new file mode 100644
index 000000000..1b9e2a49a
--- /dev/null
+++ b/data/inetnum/172.20.140.96_27
@@ -0,0 +1,10 @@
+inetnum:            172.20.140.96 - 172.20.140.127
+cidr:               172.20.140.96/27
+netname:            DEV-NULL-NETWORK
+descr:              Network of DEV-NULL
+country:            DE
+admin-c:            DEV-NULL-DN42
+tech-c:             DEV-NULL-DN42
+mnt-by:             DEV-NULL-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/mntner/DEV-NULL-MNT b/data/mntner/DEV-NULL-MNT
new file mode 100644
index 000000000..be45a1633
--- /dev/null
+++ b/data/mntner/DEV-NULL-MNT
@@ -0,0 +1,6 @@
+mntner:             DEV-NULL-MNT
+admin-c:            DEV-NULL-DN42
+tech-c:             DEV-NULL-DN42
+mnt-by:             DEV-NULL-MNT
+auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH2sqDgti35sm9wvhvbAN6U+3hqV/JhQkiEwNHdOMUTR
+source:             DN42
diff --git a/data/person/DEV-NULL-DN42 b/data/person/DEV-NULL-DN42
new file mode 100644
index 000000000..f8a6e2fc5
--- /dev/null
+++ b/data/person/DEV-NULL-DN42
@@ -0,0 +1,5 @@
+person:             Alex Wellnitz
+e-mail:             info@alexohneander.de
+nic-hdl:            DEV-NULL-DN42
+mnt-by:             DEV-NULL-MNT
+source:             DN42
diff --git a/data/route/172.20.140.96_27 b/data/route/172.20.140.96_27
new file mode 100644
index 000000000..8860b96f3
--- /dev/null
+++ b/data/route/172.20.140.96_27
@@ -0,0 +1,5 @@
+route:              172.20.140.96/27
+origin:             AS4242422804
+max-length:         27
+mnt-by:             DEV-NULL-MNT
+source:             DN42