diff --git a/data/aut-num/AS4242422929 b/data/aut-num/AS4242422929
new file mode 100644
index 000000000..55fc99ba8
--- /dev/null
+++ b/data/aut-num/AS4242422929
@@ -0,0 +1,6 @@
+aut-num:            AS4242422929
+as-name:            AS-HYDRZ-DN42
+admin-c:            HYDRZ-DN42
+tech-c:             HYDRZ-DN42
+mnt-by:             HYDRZ-MNT
+source:             DN42
diff --git a/data/dns/hydrz.dn42 b/data/dns/hydrz.dn42
new file mode 100644
index 000000000..b46c4fee0
--- /dev/null
+++ b/data/dns/hydrz.dn42
@@ -0,0 +1,9 @@
+domain:             hydrz.dn42
+admin-c:            HYDRZ-DN42
+tech-c:             HYDRZ-DN42
+mnt-by:             HYDRZ-MNT
+nserver:            ns1.hydrz.dn42 172.20.29.1
+nserver:            ns2.hydrz.dn42 172.20.29.2
+nserver:            ns1.hydrz.dn42 fd42:29:29::1
+nserver:            ns2.hydrz.dn42 fd42:29:29::2
+source:             DN42
diff --git a/data/inet6num/fd42:29:29::_48 b/data/inet6num/fd42:29:29::_48
new file mode 100644
index 000000000..5bd80284e
--- /dev/null
+++ b/data/inet6num/fd42:29:29::_48
@@ -0,0 +1,12 @@
+inet6num:           fd42:0029:0029:0000:0000:0000:0000:0000 - fd42:0029:0029:ffff:ffff:ffff:ffff:ffff
+netname:            HYDRZ-NETWORK
+descr:              Network of HYDRZ
+country:            CN
+admin-c:            HYDRZ-DN42
+tech-c:             HYDRZ-DN42
+mnt-by:             HYDRZ-MNT
+status:             ASSIGNED
+cidr:               fd42:29:29::/48
+nserver:            ns1.hydrz.dn42
+nserver:            ns2.hydrz.dn42
+source:             DN42
diff --git a/data/inetnum/172.20.29.224_27 b/data/inetnum/172.20.29.224_27
new file mode 100644
index 000000000..c0c3624b6
--- /dev/null
+++ b/data/inetnum/172.20.29.224_27
@@ -0,0 +1,12 @@
+inetnum:            172.20.29.224 - 172.20.29.255
+cidr:               172.20.29.224/27
+netname:            HYDRZ-NETWORK
+descr:              Network of HYDRZ
+country:            CN
+admin-c:            HYDRZ-DN42
+tech-c:             HYDRZ-DN42
+mnt-by:             HYDRZ-MNT
+status:             ASSIGNED
+nserver:            ns1.hydrz.dn42
+nserver:            ns2.hydrz.dn42
+source:             DN42
diff --git a/data/mntner/HYDRZ-MNT b/data/mntner/HYDRZ-MNT
new file mode 100644
index 000000000..788b80c80
--- /dev/null
+++ b/data/mntner/HYDRZ-MNT
@@ -0,0 +1,7 @@
+mntner:             HYDRZ-MNT
+admin-c:            HYDRZ-DN42
+tech-c:             HYDRZ-DN42
+mnt-by:             HYDRZ-MNT
+auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAsPg9Q0LAqgSxlejfChtLg5abweX+x33ETunPm0GtC1
+auth:               pgp-fingerprint AC6EFF46322A469D5F9B59838930050ADFDAA776
+source:             DN42
diff --git a/data/person/HYDRZ-DN42 b/data/person/HYDRZ-DN42
new file mode 100644
index 000000000..651c0a0d8
--- /dev/null
+++ b/data/person/HYDRZ-DN42
@@ -0,0 +1,5 @@
+person:             hydrz
+nic-hdl:            HYDRZ-DN42
+e-mail:             n.haoyuan@gmail.com
+mnt-by:             HYDRZ-MNT
+source:             DN42
diff --git a/data/route/172.20.29.224_27 b/data/route/172.20.29.224_27
new file mode 100644
index 000000000..38158440b
--- /dev/null
+++ b/data/route/172.20.29.224_27
@@ -0,0 +1,4 @@
+route:              172.20.29.224/27
+origin:             AS4242422929
+mnt-by:             HYDRZ-MNT
+source:             DN42
diff --git a/data/route6/fd42:29:29::_48 b/data/route6/fd42:29:29::_48
new file mode 100644
index 000000000..747c75724
--- /dev/null
+++ b/data/route6/fd42:29:29::_48
@@ -0,0 +1,4 @@
+route6:             fd42:29:29::/48
+origin:             AS4242422929
+mnt-by:             HYDRZ-MNT
+source:             DN42