diff --git a/data/aut-num/AS4242421445 b/data/aut-num/AS4242421445
new file mode 100644
index 000000000..bf3fcaf3b
--- /dev/null
+++ b/data/aut-num/AS4242421445
@@ -0,0 +1,7 @@
+aut-num:            AS4242421445
+as-name:            YZTCFH-AS-DN42
+descr:              YZTCFH DN42 AS
+admin-c:            YZTCFH-DN42
+tech-c:             YZTCFH-DN42
+mnt-by:             YZTCFH-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/inet6num/fde9:60ac:5b08::_48 b/data/inet6num/fde9:60ac:5b08::_48
new file mode 100755
index 000000000..2a82a6171
--- /dev/null
+++ b/data/inet6num/fde9:60ac:5b08::_48
@@ -0,0 +1,10 @@
+inet6num:           fde9:60ac:5b08:0000:0000:0000:0000:0000 - fde9:60ac:5b08:ffff:ffff:ffff:ffff:ffff
+cidr:               fde9:60ac:5b08::/48
+netname:            YZTCFH-DN42-V6
+descr:              YZTCFH DN42 Network IPv6 Block
+country:            CN
+admin-c:            YZTCFH-DN42
+tech-c:             YZTCFH-DN42
+mnt-by:             YZTCFH-MNT
+status:             ASSIGNED
+source:             DN42
\ No newline at end of file
diff --git a/data/inetnum/172.23.57.160_27 b/data/inetnum/172.23.57.160_27
new file mode 100644
index 000000000..6491077c9
--- /dev/null
+++ b/data/inetnum/172.23.57.160_27
@@ -0,0 +1,10 @@
+inetnum:            172.23.57.160 - 172.23.57.191
+cidr:               172.23.57.160/27
+netname:            YZTCFH-DN42-V4
+descr:              YZTCFH DN42 Network IPv4 Block
+country:            CN
+admin-c:            YZTCFH-DN42
+tech-c:             YZTCFH-DN42
+mnt-by:             YZTCFH-MNT
+status:             ASSIGNED
+source:             DN42
\ No newline at end of file
diff --git a/data/mntner/YZTCFH-MNT b/data/mntner/YZTCFH-MNT
new file mode 100644
index 000000000..554805b38
--- /dev/null
+++ b/data/mntner/YZTCFH-MNT
@@ -0,0 +1,6 @@
+mntner:             YZTCFH-MNT
+admin-c:            YZTCFH-DN42
+tech-c:             YZTCFH-DN42
+auth:               pgp-fingerprint 2EB235EF361E696DE661047A8920E2687530C614
+mnt-by:             YZTCFH-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/person/YZTCFH-DN42 b/data/person/YZTCFH-DN42
new file mode 100644
index 000000000..d0e777ed5
--- /dev/null
+++ b/data/person/YZTCFH-DN42
@@ -0,0 +1,7 @@
+person:             YZTCFH
+e-mail:             a184439103@outlook.com
+www:                http://www.dn42.isuii.cn.eu.org
+pgp-fingerprint:    2EB235EF361E696DE661047A8920E2687530C614
+nic-hdl:            YZTCFH-DN42
+mnt-by:             YZTCFH-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/route/172.23.57.160_27 b/data/route/172.23.57.160_27
new file mode 100644
index 000000000..ee1b9bf98
--- /dev/null
+++ b/data/route/172.23.57.160_27
@@ -0,0 +1,5 @@
+route:              172.23.57.160/27
+origin:             AS4242421445
+max-length:         27
+mnt-by:             YZTCFH-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/route6/fde9:60ac:5b08::_48 b/data/route6/fde9:60ac:5b08::_48
new file mode 100644
index 000000000..91617d198
--- /dev/null
+++ b/data/route6/fde9:60ac:5b08::_48
@@ -0,0 +1,5 @@
+route6:             fde9:60ac:5b08::/48
+origin:             AS4242421445
+max-length:         48
+mnt-by:             YZTCFH-MNT
+source:             DN42
\ No newline at end of file