diff --git a/data/aut-num/AS4242422999 b/data/aut-num/AS4242422999
new file mode 100644
index 000000000..d0b905b7a
--- /dev/null
+++ b/data/aut-num/AS4242422999
@@ -0,0 +1,6 @@
+aut-num:            AS4242422999
+as-name:            AS-SIANAO-DN42
+admin-c:            SIANAO-DN42
+tech-c:             SIANAO-DN42
+mnt-by:             SIANAO-MNT
+source:             DN42
diff --git a/data/dns/sianao.dn42 b/data/dns/sianao.dn42
new file mode 100644
index 000000000..0e0387fe9
--- /dev/null
+++ b/data/dns/sianao.dn42
@@ -0,0 +1,9 @@
+domain:             sianao.dn42
+admin-c:            SIANAO-DN42
+tech-c:             SIANAO-DN42
+mnt-by:             SIANAO-MNT
+nserver:            ns1.sianao.dn42 172.21.122.22
+nserver:            ns1.sianao.dn42 fd4a:829f:2dbb::53
+nserver:            ns2.sianao.dn42 172.21.122.22
+nserver:            ns2.sianao.dn42 fd4a:829f:2dbb::53
+source:             DN42
diff --git a/data/inet6num/fd4a:829f:2dbb::_48 b/data/inet6num/fd4a:829f:2dbb::_48
new file mode 100644
index 000000000..a18aa6f6f
--- /dev/null
+++ b/data/inet6num/fd4a:829f:2dbb::_48
@@ -0,0 +1,12 @@
+inet6num:           fd4a:829f:2dbb:0000:0000:0000:0000:0000 - fd4a:829f:2dbb:ffff:ffff:ffff:ffff:ffff
+cidr:               fd4a:829f:2dbb::/48
+netname:            SIANAO-PUBLICK-NETWORK
+descr:              Network of Sianao
+country:            US
+admin-c:            SIANAO-DN42
+tech-c:             SIANAO-DN42
+nserver:            ns1.sianao.dn42
+nserver:            ns2.sianao.dn42
+mnt-by:             SIANAO-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/inetnum/172.21.122.0_27 b/data/inetnum/172.21.122.0_27
new file mode 100644
index 000000000..32a86dd35
--- /dev/null
+++ b/data/inetnum/172.21.122.0_27
@@ -0,0 +1,12 @@
+inetnum:            172.21.122.0 - 172.21.122.31
+cidr:               172.21.122.0/27
+netname:            SIANAO-PUBLICK-NETWORK
+country:            US
+descr:              Network of Sianao
+admin-c:            SIANAO-DN42
+tech-c:             SIANAO-DN42
+mnt-by:             SIANAO-MNT
+status:             ASSIGNED
+nserver:            ns1.sianao.dn42
+nserver:            ns2.sianao.dn42
+source:             DN42
diff --git a/data/mntner/SIANAO-MNT b/data/mntner/SIANAO-MNT
new file mode 100644
index 000000000..f5d5944d9
--- /dev/null
+++ b/data/mntner/SIANAO-MNT
@@ -0,0 +1,6 @@
+mntner:             SIANAO-MNT
+admin-c:            SIANAO-DN42
+tech-c:             SIANAO-DN42
+mnt-by:             SIANAO-MNT
+auth:               pgp-fingerprint D09C3C274410C2DE618345AB114507A09A93C6BB
+source:             DN42
diff --git a/data/person/SIANAO-DN42 b/data/person/SIANAO-DN42
new file mode 100644
index 000000000..51ee8edd5
--- /dev/null
+++ b/data/person/SIANAO-DN42
@@ -0,0 +1,5 @@
+person:             Sianao Luo
+e-mail:             me@sianao.site
+nic-hdl:            SIANAO-DN42
+mnt-by:             SIANAO-MNT
+source:             DN42
diff --git a/data/route/172.21.122.0_27 b/data/route/172.21.122.0_27
new file mode 100644
index 000000000..b6e173490
--- /dev/null
+++ b/data/route/172.21.122.0_27
@@ -0,0 +1,4 @@
+route:              172.21.122.0/27
+origin:             AS4242422999
+mnt-by:             SIANAO-MNT
+source:             DN42
diff --git a/data/route6/fd4a:829f:2dbb::_48 b/data/route6/fd4a:829f:2dbb::_48
new file mode 100644
index 000000000..9920dc3a6
--- /dev/null
+++ b/data/route6/fd4a:829f:2dbb::_48
@@ -0,0 +1,4 @@
+route6:             fd4a:829f:2dbb::/48
+origin:             AS4242422999
+mnt-by:             SIANAO-MNT
+source:             DN42