diff --git a/data/aut-num/AS4242421566 b/data/aut-num/AS4242421566
new file mode 100644
index 000000000..6186b9a6c
--- /dev/null
+++ b/data/aut-num/AS4242421566
@@ -0,0 +1,6 @@
+aut-num:            AS4242421566
+as-name:            WENTAO-AS-DN42
+admin-c:            WENTAO-DN42
+tech-c:             WENTAO-DN42
+mnt-by:             WENTAO-MNT
+source:             DN42
diff --git a/data/inetnum/172.20.171.160_27 b/data/inetnum/172.20.171.160_27
new file mode 100644
index 000000000..330fd1eb0
--- /dev/null
+++ b/data/inetnum/172.20.171.160_27
@@ -0,0 +1,8 @@
+inetnum:            172.20.171.160 - 172.20.171.191
+cidr:               172.20.171.160/27
+netname:            WENTAO-IPV4
+admin-c:            WENTAO-DN42
+tech-c:             WENTAO-DN42
+mnt-by:             WENTAO-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/mntner/WENTAO-MNT b/data/mntner/WENTAO-MNT
new file mode 100644
index 000000000..098c097c6
--- /dev/null
+++ b/data/mntner/WENTAO-MNT
@@ -0,0 +1,6 @@
+mntner:             WENTAO-MNT
+admin-c:            WENTAO-DN42
+tech-c:             WENTAO-DN42
+mnt-by:             WENTAO-MNT
+auth:               pgp-fingerprint F4DE1FA6BABB3638697D9343F5A7B3616C6A510A
+source:             DN42
diff --git a/data/person/WENTAO-DN42 b/data/person/WENTAO-DN42
new file mode 100644
index 000000000..ae00e72d5
--- /dev/null
+++ b/data/person/WENTAO-DN42
@@ -0,0 +1,5 @@
+person:             WANG WENTAO
+e-mail:             574623873@qq.com
+nic-hdl:            WENTAO-DN42
+mnt-by:             WENTAO-MNT
+source:             DN42
diff --git a/data/route/172.20.171.160_27 b/data/route/172.20.171.160_27
new file mode 100644
index 000000000..278c7dfd6
--- /dev/null
+++ b/data/route/172.20.171.160_27
@@ -0,0 +1,4 @@
+route:              172.20.171.160/27
+origin:             AS4242421566
+mnt-by:             WENTAO-MNT
+source:             DN42