diff --git a/data/aut-num/AS4242423088 b/data/aut-num/AS4242423088
new file mode 100644
index 000000000..83050d087
--- /dev/null
+++ b/data/aut-num/AS4242423088
@@ -0,0 +1,7 @@
+aut-num:            AS4242423088
+as-name:            SUNNET-AS
+remarks:            SUNNET-AS
+admin-c:            SUNNET-DN42
+tech-c:             SUNNET-DN42
+mnt-by:             SUNNET-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/inetnum/172.21.100.128_25 b/data/inetnum/172.21.100.128_25
new file mode 100644
index 000000000..7bb275a93
--- /dev/null
+++ b/data/inetnum/172.21.100.128_25
@@ -0,0 +1,10 @@
+inetnum:            172.21.100.128 - 172.21.100.255
+cidr:               172.21.100.128/25
+netname:            SUNNET-NETWORK
+descr:              SUNNET-NETWORK-IPV4
+country:            CN
+admin-c:            SUNNET-DN42
+tech-c:             SUNNET-DN42
+mnt-by:             SUNNET-MNT
+status:             ASSIGNED
+source:             DN42
\ No newline at end of file
diff --git a/data/mntner/SUNNET-MNT b/data/mntner/SUNNET-MNT
new file mode 100644
index 000000000..d9f03005a
--- /dev/null
+++ b/data/mntner/SUNNET-MNT
@@ -0,0 +1,5 @@
+mntner:             SUNNET-MNT
+admin-c:            SUNNET-DN42
+tech-c:             SUNNET-DN42
+mnt-by:             SUNNET-MNT
+source:             DN42
diff --git a/data/person/SUNNET-DN42 b/data/person/SUNNET-DN42
new file mode 100644
index 000000000..417a86e98
--- /dev/null
+++ b/data/person/SUNNET-DN42
@@ -0,0 +1,6 @@
+person:             Sun Aihui
+contact:            126955@qq.com
+contact:            sunaihui@gmail.com
+nic-hdl:            SUNNET-DN42
+mnt-by:             SUNNET-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/route/172.21.100.128_25 b/data/route/172.21.100.128_25
new file mode 100644
index 000000000..3a2a28b99
--- /dev/null
+++ b/data/route/172.21.100.128_25
@@ -0,0 +1,4 @@
+route:              172.21.100.128/25
+origin:             AS4242423088
+mnt-by:             SUNNET-MNT
+source:             DN42
\ No newline at end of file