diff --git a/data/aut-num/AS4242421474 b/data/aut-num/AS4242421474
new file mode 100644
index 000000000..8d6d0a269
--- /dev/null
+++ b/data/aut-num/AS4242421474
@@ -0,0 +1,8 @@
+aut-num:            AS4242421474
+as-name:            TonyZhao-Net
+descr:              TonyZhao's Simple AS
+admin-c:            TONYZHAO-DN42
+tech-c:             TONYZHAO-DN42
+remarks:            You may refer to https://10.tonyzhao.xyz/dn42/ for details.
+mnt-by:             TONYZHAO-MNT
+source:             DN42
diff --git a/data/dns/tony.dn42 b/data/dns/tony.dn42
new file mode 100644
index 000000000..8b5f6f942
--- /dev/null
+++ b/data/dns/tony.dn42
@@ -0,0 +1,7 @@
+domain:             tony.dn42
+admin-c:            TONYZHAO-DN42
+tech-c:             TONYZHAO-DN42
+nserver:            ns1.tonyzhao.dn42
+nserver:            ns2.tonyzhao.dn42
+mnt-by:             TONYZHAO-MNT
+source:             DN42
diff --git a/data/dns/tonyzhao.dn42 b/data/dns/tonyzhao.dn42
new file mode 100644
index 000000000..c31b8a9f4
--- /dev/null
+++ b/data/dns/tonyzhao.dn42
@@ -0,0 +1,9 @@
+domain:             tonyzhao.dn42
+admin-c:            TONYZHAO-DN42
+tech-c:             TONYZHAO-DN42
+nserver:            ns1.tonyzhao.dn42 172.22.147.53
+nserver:            ns1.tonyzhao.dn42 fd21:4748:3647::53
+nserver:            ns2.tonyzhao.dn42 172.22.147.54
+nserver:            ns2.tonyzhao.dn42 fd21:4748:3647::54
+mnt-by:             TONYZHAO-MNT
+source:             DN42
diff --git a/data/inet6num/fd21:4748:3647::_48 b/data/inet6num/fd21:4748:3647::_48
new file mode 100644
index 000000000..958950384
--- /dev/null
+++ b/data/inet6num/fd21:4748:3647::_48
@@ -0,0 +1,13 @@
+inet6num:           fd21:4748:3647:0000:0000:0000:0000:0000 - fd21:4748:3647:ffff:ffff:ffff:ffff:ffff
+cidr:               fd21:4748:3647::/48
+netname:            TONYZHAO-NETWORK
+descr:              TonyZhao's Simple Network
+country:            CN
+admin-c:            TONYZHAO-DN42
+tech-c:             TONYZHAO-DN42
+remarks:            You may refer to https://10.tonyzhao.xyz/dn42/ for details.
+nserver:            ns1.tonyzhao.dn42
+nserver:            ns2.tonyzhao.dn42
+mnt-by:             TONYZHAO-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/inetnum/172.22.147.48_28 b/data/inetnum/172.22.147.48_28
new file mode 100644
index 000000000..721dfc840
--- /dev/null
+++ b/data/inetnum/172.22.147.48_28
@@ -0,0 +1,13 @@
+inetnum:            172.22.147.48 - 172.22.147.63
+cidr:               172.22.147.48/28
+netname:            TONYZHAO-NETWORK
+descr:              TonyZhao's Simple Network
+country:            CN
+admin-c:            TONYZHAO-DN42
+tech-c:             TONYZHAO-DN42
+remarks:            You may refer to https://10.tonyzhao.xyz/dn42/ for details.
+nserver:            ns1.tonyzhao.dn42
+nserver:            ns2.tonyzhao.dn42
+mnt-by:             TONYZHAO-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/inetnum/172.22.147.64_26 b/data/inetnum/172.22.147.64_26
new file mode 100644
index 000000000..42c7f6183
--- /dev/null
+++ b/data/inetnum/172.22.147.64_26
@@ -0,0 +1,13 @@
+inetnum:            172.22.147.64 - 172.22.147.127
+cidr:               172.22.147.64/26
+netname:            TONYZHAO-NETWORK
+descr:              TonyZhao's Simple Network
+country:            CN
+admin-c:            TONYZHAO-DN42
+tech-c:             TONYZHAO-DN42
+remarks:            You may refer to https://10.tonyzhao.xyz/dn42/ for details.
+nserver:            ns1.tonyzhao.dn42
+nserver:            ns2.tonyzhao.dn42
+mnt-by:             TONYZHAO-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/mntner/TONYZHAO-MNT b/data/mntner/TONYZHAO-MNT
new file mode 100644
index 000000000..08b983f46
--- /dev/null
+++ b/data/mntner/TONYZHAO-MNT
@@ -0,0 +1,6 @@
+mntner:             TONYZHAO-MNT
+admin-c:            TONYZHAO-DN42
+tech-c:             TONYZHAO-DN42
+auth:               pgp-fingerprint 6A49E4D26793143DA50DE55061DEA3B919B60D1D
+mnt-by:             TONYZHAO-MNT
+source:             DN42
diff --git a/data/person/TONYZHAO-DN42 b/data/person/TONYZHAO-DN42
new file mode 100644
index 000000000..0708d61eb
--- /dev/null
+++ b/data/person/TONYZHAO-DN42
@@ -0,0 +1,8 @@
+person:             Tony Zhao
+e-mail:             i@tonyzhao.xyz
+contact:            telegram:@zTonyZhao
+remarks:            You may refer to https://10.tonyzhao.xyz/dn42/ for details.
+pgp-fingerprint:    6A49E4D26793143DA50DE55061DEA3B919B60D1D
+nic-hdl:            TONYZHAO-DN42
+mnt-by:             TONYZHAO-MNT
+source:             DN42
diff --git a/data/route/172.22.147.48_28 b/data/route/172.22.147.48_28
new file mode 100644
index 000000000..a139b2554
--- /dev/null
+++ b/data/route/172.22.147.48_28
@@ -0,0 +1,4 @@
+route:              172.22.147.48/28
+origin:             AS4242421474
+mnt-by:             TONYZHAO-MNT
+source:             DN42
diff --git a/data/route/172.22.147.64_26 b/data/route/172.22.147.64_26
new file mode 100644
index 000000000..eab4ec7f5
--- /dev/null
+++ b/data/route/172.22.147.64_26
@@ -0,0 +1,4 @@
+route:              172.22.147.64/26
+origin:             AS4242421474
+mnt-by:             TONYZHAO-MNT
+source:             DN42
diff --git a/data/route6/fd21:4748:3647::_48 b/data/route6/fd21:4748:3647::_48
new file mode 100644
index 000000000..c7525f371
--- /dev/null
+++ b/data/route6/fd21:4748:3647::_48
@@ -0,0 +1,4 @@
+route6:             fd21:4748:3647::/48
+origin:             AS4242421474
+mnt-by:             TONYZHAO-MNT
+source:             DN42