diff --git a/data/aut-num/AS4242421314 b/data/aut-num/AS4242421314
new file mode 100644
index 000000000..36f79cd4c
--- /dev/null
+++ b/data/aut-num/AS4242421314
@@ -0,0 +1,6 @@
+aut-num:            AS4242421314
+as-name:            AS-KARASU-DN42
+admin-c:            KARASU-DN42
+tech-c:             KARASU-DN42
+mnt-by:             KARASU-MNT
+source:             DN42
diff --git a/data/inet6num/fde9:d9b7:2ab::_48 b/data/inet6num/fde9:d9b7:2ab::_48
new file mode 100644
index 000000000..15be7c637
--- /dev/null
+++ b/data/inet6num/fde9:d9b7:2ab::_48
@@ -0,0 +1,9 @@
+inet6num:           fde9:d9b7:02ab:0000:0000:0000:0000:0000 - fde9:d9b7:02ab:ffff:ffff:ffff:ffff:ffff
+cidr:               fde9:d9b7:2ab::/48
+netname:            KARASU-IPV6
+country:            CN
+admin-c:            KARASU-DN42
+tech-c:             KARASU-DN42
+mnt-by:             KARASU-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/inetnum/172.20.6.0_28 b/data/inetnum/172.20.6.0_28
new file mode 100644
index 000000000..93c9a2882
--- /dev/null
+++ b/data/inetnum/172.20.6.0_28
@@ -0,0 +1,9 @@
+inetnum:            172.20.6.0 - 172.20.6.15
+cidr:               172.20.6.0/28
+netname:            KARASU-IPV4
+country:            CN
+admin-c:            KARASU-DN42
+tech-c:             KARASU-DN42
+mnt-by:             KARASU-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/mntner/KARASU-MNT b/data/mntner/KARASU-MNT
new file mode 100644
index 000000000..0b885f7e1
--- /dev/null
+++ b/data/mntner/KARASU-MNT
@@ -0,0 +1,6 @@
+mntner:             KARASU-MNT
+admin-c:            KARASU-DN42
+tech-c:             KARASU-DN42
+mnt-by:             KARASU-MNT
+auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKF8tURnmmfwZ7BQlcvzd1f0z+BlG2AYSAQ7oM8JfDyl
+source:             DN42
diff --git a/data/person/KARASU-DN42 b/data/person/KARASU-DN42
new file mode 100644
index 000000000..4bfd3df34
--- /dev/null
+++ b/data/person/KARASU-DN42
@@ -0,0 +1,5 @@
+person:             Ihnoh Shiu
+e-mail:             shiuihnoh@outlook.jp
+nic-hdl:            KARASU-DN42
+mnt-by:             KARASU-MNT
+source:             DN42
diff --git a/data/route/172.20.6.0_28 b/data/route/172.20.6.0_28
new file mode 100644
index 000000000..aa7f0128b
--- /dev/null
+++ b/data/route/172.20.6.0_28
@@ -0,0 +1,5 @@
+route:              172.20.6.0/28
+origin:             AS4242421314
+max-length:         28
+mnt-by:             KARASU-MNT
+source:             DN42
diff --git a/data/route6/fde9:d9b7:2ab::_48 b/data/route6/fde9:d9b7:2ab::_48
new file mode 100644
index 000000000..20f25b159
--- /dev/null
+++ b/data/route6/fde9:d9b7:2ab::_48
@@ -0,0 +1,5 @@
+route6:             fde9:d9b7:2ab::/48
+origin:             AS4242421314
+max-length:         48
+mnt-by:             KARASU-MNT
+source:             DN42