diff --git a/data/aut-num/AS4242420453 b/data/aut-num/AS4242420453
new file mode 100644
index 000000000..9b8585266
--- /dev/null
+++ b/data/aut-num/AS4242420453
@@ -0,0 +1,7 @@
+aut-num:            AS4242420453
+as-name:            D453-AS
+descr:              Peer with me at dongyanmio@outlook.com
+admin-c:            D453-DN42
+tech-c:             D453-DN42
+mnt-by:             D453-MNT
+source:             DN42
diff --git a/data/inet6num/fd78:4110:4e88::_48 b/data/inet6num/fd78:4110:4e88::_48
new file mode 100644
index 000000000..0dcc1f571
--- /dev/null
+++ b/data/inet6num/fd78:4110:4e88::_48
@@ -0,0 +1,10 @@
+inet6num:           fd78:4110:4e88:0000:0000:0000:0000:0000 - fd78:4110:4e88:ffff:ffff:ffff:ffff:ffff
+netname:            D453-IPV6
+descr:              Peer with me at dongyanmio@outlook.com
+country:            CN
+admin-c:            D453-DN42
+tech-c:             D453-DN42
+mnt-by:             D453-MNT
+status:             ASSIGNED
+cidr:               fd78:4110:4e88::/48
+source:             DN42
diff --git a/data/inetnum/172.21.75.0_27 b/data/inetnum/172.21.75.0_27
new file mode 100644
index 000000000..bd3d10199
--- /dev/null
+++ b/data/inetnum/172.21.75.0_27
@@ -0,0 +1,11 @@
+inetnum:            172.21.75.0 - 172.21.75.31
+netname:            D453-IPV4
+remarks:            Peer with me at dongyanmio@outlook.com
+descr:              Peer with me at dongyanmio@outlook.com
+country:            CN
+admin-c:            D453-DN42
+tech-c:             D453-DN42
+mnt-by:             D453-MNT
+status:             ASSIGNED
+cidr:               172.21.75.0/27
+source:             DN42
diff --git a/data/mntner/D453-MNT b/data/mntner/D453-MNT
new file mode 100644
index 000000000..5ca4ce69e
--- /dev/null
+++ b/data/mntner/D453-MNT
@@ -0,0 +1,7 @@
+mntner:             D453-MNT
+admin-c:            D453-DN42
+tech-c:             D453-DN42
+auth:               pgp-fingerprint 1fe6ac994361c24964f822bc4f9e888888888888
+mnt-by:             D453-MNT
+source:             DN42
+remarks:            Network of Dongyanmio (D453)
diff --git a/data/person/D453-DN42 b/data/person/D453-DN42
new file mode 100644
index 000000000..c9c07cbca
--- /dev/null
+++ b/data/person/D453-DN42
@@ -0,0 +1,5 @@
+person:             Dongyanmio
+e-mail:             dongyanmio@outlook.com
+nic-hdl:            D453-DN42
+mnt-by:             D453-MNT
+source:             DN42
diff --git a/data/route/172.21.75.0_27 b/data/route/172.21.75.0_27
new file mode 100644
index 000000000..b8b80ac1a
--- /dev/null
+++ b/data/route/172.21.75.0_27
@@ -0,0 +1,5 @@
+route:              172.21.75.0/27
+descr:              Peer with me at dongyanmio@outlook.com
+origin:             AS4242420453
+mnt-by:             D453-MNT
+source:             DN42
diff --git a/data/route6/fd78:4110:4e88::_48 b/data/route6/fd78:4110:4e88::_48
new file mode 100644
index 000000000..3e71cde48
--- /dev/null
+++ b/data/route6/fd78:4110:4e88::_48
@@ -0,0 +1,5 @@
+route6:             fd78:4110:4e88::/48
+descr:              Peer with me at dongyanmio@outlook.com
+origin:             AS4242420453
+mnt-by:             D453-MNT
+source:             DN42