diff --git a/data/aut-num/AS4242420727 b/data/aut-num/AS4242420727
new file mode 100644
index 000000000..babe8c73c
--- /dev/null
+++ b/data/aut-num/AS4242420727
@@ -0,0 +1,6 @@
+aut-num:            AS4242420727
+as-name:            AS-JK-DN42
+admin-c:            JK-DN42
+tech-c:             JK-DN42
+mnt-by:             JK-MNT
+source:             DN42
diff --git a/data/dns/jk.dn42 b/data/dns/jk.dn42
new file mode 100644
index 000000000..2164d81e1
--- /dev/null
+++ b/data/dns/jk.dn42
@@ -0,0 +1,9 @@
+domain:             jk.dn42
+admin-c:            JK-DN42
+tech-c:             JK-DN42
+mnt-by:             JK-MNT
+nserver:            ns1.jk.dn42 172.20.59.192
+nserver:            ns1.jk.dn42 fddd:e143:976a::1
+nserver:            ns2.jk.dn42 172.20.59.193
+nserver:            ns2.jk.dn42 fddd:e143:976a::2
+source:             DN42
diff --git a/data/inet6num/fddd:e143:976a::_48 b/data/inet6num/fddd:e143:976a::_48
new file mode 100644
index 000000000..55e04b6fa
--- /dev/null
+++ b/data/inet6num/fddd:e143:976a::_48
@@ -0,0 +1,12 @@
+inet6num:           fddd:e143:976a:0000:0000:0000:0000:0000 - fddd:e143:976a:ffff:ffff:ffff:ffff:ffff
+cidr:               fddd:e143:976a::/48
+netname:            JK-NETWORK
+descr:              Network of JK
+country:            CN
+admin-c:            JK-DN42
+tech-c:             JK-DN42
+mnt-by:             JK-MNT
+status:             ASSIGNED
+nserver:            ns1.jk.dn42
+nserver:            ns2.jk.dn42
+source:             DN42
diff --git a/data/inetnum/172.20.59.192_27 b/data/inetnum/172.20.59.192_27
new file mode 100644
index 000000000..0718f14e3
--- /dev/null
+++ b/data/inetnum/172.20.59.192_27
@@ -0,0 +1,12 @@
+inetnum:            172.20.59.192 - 172.20.59.223
+cidr:               172.20.59.192/27
+netname:            JK-NETWORK
+descr:              Network of JK
+country:            CN
+admin-c:            JK-DN42
+tech-c:             JK-DN42
+mnt-by:             JK-MNT
+status:             ASSIGNED
+nserver:            ns1.jk.dn42
+nserver:            ns2.jk.dn42
+source:             DN42
diff --git a/data/mntner/JK-MNT b/data/mntner/JK-MNT
new file mode 100644
index 000000000..9c6cd4d5a
--- /dev/null
+++ b/data/mntner/JK-MNT
@@ -0,0 +1,6 @@
+mntner:             JK-MNT
+admin-c:            JK-DN42
+tech-c:             JK-DN42
+mnt-by:             JK-MNT
+auth:               pgp-fingerprint 7FDD60BB33B3C098A917CFAF52DA6211C1524FE4
+source:             DN42
diff --git a/data/person/JK-DN42 b/data/person/JK-DN42
new file mode 100644
index 000000000..c6c041eac
--- /dev/null
+++ b/data/person/JK-DN42
@@ -0,0 +1,5 @@
+person:             Junkai Zhang
+e-mail:             jk@jkzhang.net
+nic-hdl:            JK-DN42
+mnt-by:             JK-MNT
+source:             DN42
diff --git a/data/route/172.20.59.192_27 b/data/route/172.20.59.192_27
new file mode 100644
index 000000000..2c21f6144
--- /dev/null
+++ b/data/route/172.20.59.192_27
@@ -0,0 +1,5 @@
+route:              172.20.59.192/27
+origin:             AS4242420727
+max-length:         27
+mnt-by:             JK-MNT
+source:             DN42
diff --git a/data/route6/fddd:e143:976a::_48 b/data/route6/fddd:e143:976a::_48
new file mode 100644
index 000000000..190ef4624
--- /dev/null
+++ b/data/route6/fddd:e143:976a::_48
@@ -0,0 +1,5 @@
+route6:             fddd:e143:976a::/48
+origin:             AS4242423999
+max-length:         48
+mnt-by:             JK-MNT
+source:             DN42