diff --git a/data/aut-num/AS4242420054 b/data/aut-num/AS4242420054
new file mode 100644
index 000000000..232f8f7a0
--- /dev/null
+++ b/data/aut-num/AS4242420054
@@ -0,0 +1,7 @@
+aut-num:            AS4242420054
+as-name:            MIZUON-AS
+descr:              Still constructing. Contact at dn42@mizuon.com
+admin-c:            MIZUON-DN42
+tech-c:             MIZUON-DN42
+mnt-by:             MIZUON-MNT
+source:             DN42
diff --git a/data/inet6num/fd1a:23:8ba::_48 b/data/inet6num/fd1a:23:8ba::_48
new file mode 100644
index 000000000..4ed91bd69
--- /dev/null
+++ b/data/inet6num/fd1a:23:8ba::_48
@@ -0,0 +1,10 @@
+inet6num:           fd1a:0023:08ba:0000:0000:0000:0000:0000 - fd1a:0023:08ba:ffff:ffff:ffff:ffff:ffff
+cidr:               fd1a:23:8ba::/48
+netname:            MIZUON-NETWORK
+descr:              Network of Mizuon
+country:            CN
+admin-c:            MIZUON-DN42
+tech-c:             MIZUON-DN42
+mnt-by:             MIZUON-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/inetnum/172.21.123.160_27 b/data/inetnum/172.21.123.160_27
new file mode 100644
index 000000000..8ce1fba62
--- /dev/null
+++ b/data/inetnum/172.21.123.160_27
@@ -0,0 +1,10 @@
+inetnum:            172.21.123.160 - 172.21.123.191
+netname:            MIZUON-IPV4
+descr:              Network of Mizuon
+country:            CN
+admin-c:            MIZUON-DN42
+tech-c:             MIZUON-DN42
+status:             ASSIGNED
+cidr:               172.21.123.160/27
+mnt-by:             MIZUON-MNT
+source:             DN42
diff --git a/data/mntner/MIZUON-MNT b/data/mntner/MIZUON-MNT
new file mode 100644
index 000000000..19a3202b5
--- /dev/null
+++ b/data/mntner/MIZUON-MNT
@@ -0,0 +1,7 @@
+mntner:             MIZUON-MNT
+admin-c:            MIZUON-DN42
+tech-c:             MIZUON-DN42
+mnt-by:             MIZUON-MNT
+source:             DN42
+auth:               pgp-fingerprint 0294964AA4EE5178C31AF7970A169D031955CE7E
+auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIkGx68yMJdPZrZz2Zz18T/NBGWJI6o1rc5LSQZ4AXOp
diff --git a/data/person/MIZUON-DN42 b/data/person/MIZUON-DN42
new file mode 100644
index 000000000..832786ae3
--- /dev/null
+++ b/data/person/MIZUON-DN42
@@ -0,0 +1,6 @@
+person:             Mizuon
+e-mail:             dn42@mizuon.com
+contact:            telegram:@mizu_on
+nic-hdl:            MIZUON-DN42
+mnt-by:             MIZUON-MNT
+source:             DN42
diff --git a/data/route/172.21.123.160_27 b/data/route/172.21.123.160_27
new file mode 100644
index 000000000..edc07f37d
--- /dev/null
+++ b/data/route/172.21.123.160_27
@@ -0,0 +1,5 @@
+route:              172.21.123.160/27
+origin:             AS4242420054
+max-length:         27
+mnt-by:             MIZUON-MNT
+source:             DN42
diff --git a/data/route6/fd1a:23:8ba::_48 b/data/route6/fd1a:23:8ba::_48
new file mode 100644
index 000000000..b5d76e368
--- /dev/null
+++ b/data/route6/fd1a:23:8ba::_48
@@ -0,0 +1,5 @@
+route6:             fd1a:23:8ba::/48
+origin:             AS4242420054
+max-length:         48
+mnt-by:             MIZUON-MNT
+source:             DN42