diff --git a/data/aut-num/AS4242421419 b/data/aut-num/AS4242421419
new file mode 100644
index 000000000..cc59fc457
--- /dev/null
+++ b/data/aut-num/AS4242421419
@@ -0,0 +1,7 @@
+aut-num:            AS4242421419
+as-name:            CHITANG-AS
+descr:              ASN for Chi_Tang
+admin-c:            CHITANG-DN42
+tech-c:             CHITANG-DN42
+mnt-by:             CHITANG-MNT
+source:             DN42
diff --git a/data/inet6num/fd9d:f0a5:b9d2::_48 b/data/inet6num/fd9d:f0a5:b9d2::_48
new file mode 100644
index 000000000..7a4319d60
--- /dev/null
+++ b/data/inet6num/fd9d:f0a5:b9d2::_48
@@ -0,0 +1,10 @@
+inet6num:           fd9d:f0a5:b9d2:0000:0000:0000:0000:0000 - fd9d:f0a5:b9d2:ffff:ffff:ffff:ffff:ffff
+cidr:               fd9d:f0a5:b9d2::/48
+netname:            CHITANG-NETWORK
+descr:              Network of Chi_Tang
+country:            CN
+admin-c:            CHITANG-DN42
+tech-c:             CHITANG-DN42
+mnt-by:             CHITANG-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/inetnum/172.20.150.144_28 b/data/inetnum/172.20.150.144_28
new file mode 100644
index 000000000..28de58c4d
--- /dev/null
+++ b/data/inetnum/172.20.150.144_28
@@ -0,0 +1,10 @@
+inetnum:            172.20.150.144 - 172.20.150.159
+cidr:               172.20.150.144/28
+netname:            CHITANG-NETWORK
+descr:              Network of Chi_Tang
+country:            CN
+admin-c:            CHITANG-DN42
+tech-c:             CHITANG-DN42
+mnt-by:             CHITANG-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/mntner/CHITANG-MNT b/data/mntner/CHITANG-MNT
new file mode 100644
index 000000000..1ad1ee3aa
--- /dev/null
+++ b/data/mntner/CHITANG-MNT
@@ -0,0 +1,7 @@
+mntner:             CHITANG-MNT
+admin-c:            CHITANG-DN42
+tech-c:             CHITANG-DN42
+mnt-by:             CHITANG-MNT
+source:             DN42
+auth:               pgp-fingerprint 6F562EAC653527A019C28685149B2289DCCD7439
+auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEV7HAjFkhh66FAW1JtrvWyqaAhIUiAl4GEyHNbS2bWK
diff --git a/data/person/CHITANG-DN42 b/data/person/CHITANG-DN42
new file mode 100644
index 000000000..1758e9280
--- /dev/null
+++ b/data/person/CHITANG-DN42
@@ -0,0 +1,6 @@
+person:             Chi_Tang
+e-mail:             chitang233@proton.me
+contact:            telegram:@chitang233
+nic-hdl:            CHITANG-DN42
+mnt-by:             CHITANG-MNT
+source:             DN42
diff --git a/data/route/172.20.150.144_28 b/data/route/172.20.150.144_28
new file mode 100644
index 000000000..487ac45bd
--- /dev/null
+++ b/data/route/172.20.150.144_28
@@ -0,0 +1,4 @@
+route:              172.20.150.144/28
+origin:             AS4242421419
+mnt-by:             CHITANG-MNT
+source:             DN42
diff --git a/data/route6/fd9d:f0a5:b9d2::_48 b/data/route6/fd9d:f0a5:b9d2::_48
new file mode 100644
index 000000000..9f1a75234
--- /dev/null
+++ b/data/route6/fd9d:f0a5:b9d2::_48
@@ -0,0 +1,5 @@
+route6:             fd9d:f0a5:b9d2::/48
+origin:             AS4242421419
+max-length:         48
+mnt-by:             CHITANG-MNT
+source:             DN42