diff --git a/data/aut-num/AS4242423654 b/data/aut-num/AS4242423654
new file mode 100644
index 000000000..550db984c
--- /dev/null
+++ b/data/aut-num/AS4242423654
@@ -0,0 +1,6 @@
+aut-num:            AS4242423654
+as-name:            MICROLZ-AS
+admin-c:            MICROLZ-DN42
+tech-c:             MICROLZ-DN42
+mnt-by:             LZ-MNT
+source:             DN42
diff --git a/data/inetnum/172.23.145.0_24 b/data/inetnum/172.23.145.0_24
new file mode 100644
index 000000000..e9247df76
--- /dev/null
+++ b/data/inetnum/172.23.145.0_24
@@ -0,0 +1,11 @@
+inetnum:            172.23.145.0 - 172.23.145.255
+netname:            LZ-IPV4
+remarks:            Peer with me at zhengbenyu@foxmial.com
+descr:              Peer with me at zhengbenyu@foxmail.com
+country:            CN
+admin-c:            MICROLZ-DN42
+tech-c:             MICROLZ-DN42
+mnt-by:             LZ-MNT
+status:             ASSIGNED
+cidr:               172.23.145.0/24
+source:             DN42
diff --git a/data/mntner/LZ-MNT b/data/mntner/LZ-MNT
new file mode 100644
index 000000000..30e4e0530
--- /dev/null
+++ b/data/mntner/LZ-MNT
@@ -0,0 +1,7 @@
+mntner:             LZ-MNT
+descr:              LZ Networks
+admin-c:            MICROLZ-DN42
+tech-c:             MICROLZ-DN42
+mnt-by:             LZ-MNT
+auth:               pgp-fingerprint 0D48472E6FD469D0DEE091FC68A74AE5626DE107
+source:             DN42
diff --git a/data/person/MICROLZ-DN42 b/data/person/MICROLZ-DN42
new file mode 100644
index 000000000..1f5a1d7c6
--- /dev/null
+++ b/data/person/MICROLZ-DN42
@@ -0,0 +1,5 @@
+person:             Microlz
+contact:            zhengbenyu@foxmail.com
+nic-hdl:            MICROLZ-DN42
+mnt-by:             LZ-MNT
+source:             DN42
diff --git a/data/route/172.23.145.0_24 b/data/route/172.23.145.0_24
new file mode 100644
index 000000000..d6742575d
--- /dev/null
+++ b/data/route/172.23.145.0_24
@@ -0,0 +1,5 @@
+route:              172.23.145.0/24
+descr:              Peer with me at zhengbenyu@foxmail.com
+origin:             AS4242423654
+mnt-by:             LZ-MNT
+source:             DN42