diff --git a/data/aut-num/AS4242423806 b/data/aut-num/AS4242423806
new file mode 100644
index 000000000..3e68dc717
--- /dev/null
+++ b/data/aut-num/AS4242423806
@@ -0,0 +1,6 @@
+aut-num:            AS4242423806
+as-name:            YKK-DN42-Network
+admin-c:            YKK-DN42
+tech-c:             YKK-DN42
+mnt-by:             YKK-MNT
+source:             DN42
diff --git a/data/inet6num/fdfa:99c1:7747::_48 b/data/inet6num/fdfa:99c1:7747::_48
new file mode 100644
index 000000000..ecc0121be
--- /dev/null
+++ b/data/inet6num/fdfa:99c1:7747::_48
@@ -0,0 +1,9 @@
+inet6num:           fdfa:99c1:7747:0000:0000:0000:0000:0000 - fdfa:99c1:7747:ffff:ffff:ffff:ffff:ffff
+netname:            YKK-IPV6
+country:            CN
+admin-c:            YKK-DN42
+tech-c:             YKK-DN42
+mnt-by:             YKK-MNT
+status:             ASSIGNED
+cidr:               fdfa:99c1:7747::/48
+source:             DN42
diff --git a/data/inetnum/172.22.109.224_27 b/data/inetnum/172.22.109.224_27
new file mode 100644
index 000000000..51841ccca
--- /dev/null
+++ b/data/inetnum/172.22.109.224_27
@@ -0,0 +1,9 @@
+inetnum:            172.22.109.224 - 172.22.109.255
+netname:            YKK-IPV4
+country:            CN
+admin-c:            YKK-DN42
+tech-c:             YKK-DN42
+mnt-by:             YKK-MNT
+status:             ASSIGNED
+cidr:               172.22.109.224/27
+source:             DN42
diff --git a/data/mntner/YKK-MNT b/data/mntner/YKK-MNT
new file mode 100644
index 000000000..3f6a4346b
--- /dev/null
+++ b/data/mntner/YKK-MNT
@@ -0,0 +1,6 @@
+mntner:             YKK-MNT
+admin-c:            YKK-DN42
+tech-c:             YKK-DN42
+mnt-by:             YKK-MNT
+source:             DN42
+auth:               pgp-fingerprint 1BA1B2CBE2EE5CB7E14D54BFDF4C1CF372254513
diff --git a/data/person/YKK-DN42 b/data/person/YKK-DN42
new file mode 100644
index 000000000..8419f0273
--- /dev/null
+++ b/data/person/YKK-DN42
@@ -0,0 +1,6 @@
+person:             Ykk
+e-mail:             kuanxiaobian2333@gmail.com
+contact:            telegram:ktiamo
+nic-hdl:            YKK-DN42
+mnt-by:             YKK-MNT
+source:             DN42
diff --git a/data/route/172.22.109.224_27 b/data/route/172.22.109.224_27
new file mode 100644
index 000000000..e0a3c5554
--- /dev/null
+++ b/data/route/172.22.109.224_27
@@ -0,0 +1,4 @@
+route:              172.22.109.224/27
+origin:             AS4242423806
+mnt-by:             YKK-MNT
+source:             DN42
diff --git a/data/route6/fdfa:99c1:7747::_48 b/data/route6/fdfa:99c1:7747::_48
new file mode 100644
index 000000000..4abaa0a5a
--- /dev/null
+++ b/data/route6/fdfa:99c1:7747::_48
@@ -0,0 +1,4 @@
+route6:             fdfa:99c1:7747::/48
+origin:             AS4242423806
+mnt-by:             YKK-MNT
+source:             DN42