diff --git a/data/aut-num/AS4242422555 b/data/aut-num/AS4242422555
new file mode 100644
index 000000000..f3b8767a8
--- /dev/null
+++ b/data/aut-num/AS4242422555
@@ -0,0 +1,7 @@
+aut-num:            AS4242422555
+as-name:            000DEV-Network
+descr:              Please contact to cjydev@tnn.cc for peering
+admin-c:            000DEV-DN42
+tech-c:             000DEV-DN42
+mnt-by:             000DEV-MNT
+source:             DN42
diff --git a/data/dns/dev.dn42 b/data/dns/dev.dn42
new file mode 100644
index 000000000..303d31a8d
--- /dev/null
+++ b/data/dns/dev.dn42
@@ -0,0 +1,9 @@
+domain:             dev.dn42
+admin-c:            000DEV-DN42
+tech-c:             000DEV-DN42
+mnt-by:             000DEV-MNT
+nserver:            a.dev.dn42 172.20.20.200
+nserver:            b.dev.dn42 172.20.20.240
+nserver:            a.dev.dn42 fd00:2006:2025::200
+nserver:            b.dev.dn42 fd00:2006:2025::240
+source:             DN42
\ No newline at end of file
diff --git a/data/inet6num/fd00:2006:2025::_48 b/data/inet6num/fd00:2006:2025::_48
new file mode 100644
index 000000000..a8b433ddc
--- /dev/null
+++ b/data/inet6num/fd00:2006:2025::_48
@@ -0,0 +1,11 @@
+inet6num:           fd00:2006:2025:0000:0000:0000:0000:0000 - fd00:2006:2025:ffff:ffff:ffff:ffff:ffff
+cidr:               fd00:2006:2025::/48
+netname:            000Dev-DN42-IPv6
+country:            HK
+nserver:            a.dev.dn42
+nserver:            b.dev.dn42
+admin-c:            000DEV-DN42
+tech-c:             000DEV-DN42
+mnt-by:             000DEV-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/inetnum/172.20.20.192_26 b/data/inetnum/172.20.20.192_26
new file mode 100644
index 000000000..ab3d94c98
--- /dev/null
+++ b/data/inetnum/172.20.20.192_26
@@ -0,0 +1,12 @@
+inetnum:            172.20.20.192 - 172.20.20.255
+cidr:               172.20.20.192/26
+netname:            000DEV-Network
+descr:              Please contact to cjydev@tnn.cc for peering
+country:            HK
+nserver:            a.dev.dn42
+nserver:            b.dev.dn42
+admin-c:            000DEV-DN42
+tech-c:             000DEV-DN42
+mnt-by:             000DEV-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/mntner/000DEV-MNT b/data/mntner/000DEV-MNT
new file mode 100644
index 000000000..ac6d0434f
--- /dev/null
+++ b/data/mntner/000DEV-MNT
@@ -0,0 +1,7 @@
+mntner:             000DEV-MNT
+descr:             000DEV maintainer
+admin-c:             000DEV-DN42
+tech-c:             000DEV-DN42
+mnt-by:             000DEV-MNT
+auth:             pgp-fingerprint 826B50D584458112D6FDD3B3AB7C64A30A1F31B8
+source:             DN42
diff --git a/data/person/000DEV-DN42 b/data/person/000DEV-DN42
new file mode 100644
index 000000000..57a2fa9fc
--- /dev/null
+++ b/data/person/000DEV-DN42
@@ -0,0 +1,6 @@
+person:             Jy Cao
+e-mail:             cjydev@tnn.cc
+pgp-fingerprint:             826B50D584458112D6FDD3B3AB7C64A30A1F31B8
+nic-hdl:             000DEV-DN42
+mnt-by:             000DEV-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/role/000DEV-ROLE-DN42 b/data/role/000DEV-ROLE-DN42
new file mode 100644
index 000000000..8aebfa06e
--- /dev/null
+++ b/data/role/000DEV-ROLE-DN42
@@ -0,0 +1,7 @@
+role:               000DEV Role
+abuse-mailbox:      cjydev@tnn.cc
+admin-c:            000DEV-DN42
+tech-c:             000DEV-DN42
+nic-hdl:            000DEV-ROLE-DN42
+mnt-by:             000DEV-MNT
+source:             DN42
diff --git a/data/route/172.20.20.192_26 b/data/route/172.20.20.192_26
new file mode 100644
index 000000000..6b14350d6
--- /dev/null
+++ b/data/route/172.20.20.192_26
@@ -0,0 +1,5 @@
+route:              172.20.20.192/26
+origin:             AS4242422555
+max-length:         26
+mnt-by:             000DEV-MNT
+source:             DN42
diff --git a/data/route6/fd00:2006:2025::_48 b/data/route6/fd00:2006:2025::_48
new file mode 100644
index 000000000..a4cfadf39
--- /dev/null
+++ b/data/route6/fd00:2006:2025::_48
@@ -0,0 +1,4 @@
+route6:             fd00:2006:2025::/48
+origin:             AS4242422555
+mnt-by:             000DEV-MNT
+source:             DN42