diff --git a/data/aut-num/AS4242420602 b/data/aut-num/AS4242420602
new file mode 100644
index 000000000..ab3c2f6bb
--- /dev/null
+++ b/data/aut-num/AS4242420602
@@ -0,0 +1,6 @@
+aut-num:            AS4242420602
+as-name:            AS-STEVENSUN-DN42
+admin-c:            STEVENSUN-DN42
+tech-c:             STEVENSUN-DN42
+mnt-by:             STEVENSUN-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/inetnum/172.23.173.32_27 b/data/inetnum/172.23.173.32_27
new file mode 100644
index 000000000..74c6b4a19
--- /dev/null
+++ b/data/inetnum/172.23.173.32_27
@@ -0,0 +1,9 @@
+inetnum:            172.23.173.32 - 172.23.173.63
+cidr:               172.23.173.32/27
+netname:            STEVENSUN-NETWORK
+admin-c:            STEVENSUN-DN42
+tech-c:             STEVENSUN-DN42
+mnt-by:             STEVENSUN-MNT
+status:             ASSIGNED
+country:            CN
+source:             DN42
\ No newline at end of file
diff --git a/data/mntner/STEVENSUN-MNT b/data/mntner/STEVENSUN-MNT
new file mode 100644
index 000000000..1ebbc918e
--- /dev/null
+++ b/data/mntner/STEVENSUN-MNT
@@ -0,0 +1,6 @@
+mntner:             STEVENSUN-MNT
+admin-c:            STEVENSUN-DN42
+tech-c:             STEVENSUN-DN42
+mnt-by:             STEVENSUN-MNT
+auth:               ssh-rsa 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 
+source:             DN42
\ No newline at end of file
diff --git a/data/person/STEVENSUN-DN42 b/data/person/STEVENSUN-DN42
new file mode 100644
index 000000000..4b2355c75
--- /dev/null
+++ b/data/person/STEVENSUN-DN42
@@ -0,0 +1,5 @@
+person:             Steven Sun
+e-mail:             seedless_steven@outlook.com
+nic-hdl:            STEVENSUN-DN42
+mnt-by:             STEVENSUN-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/route/172.23.173.32_27 b/data/route/172.23.173.32_27
new file mode 100644
index 000000000..949eee8f5
--- /dev/null
+++ b/data/route/172.23.173.32_27
@@ -0,0 +1,4 @@
+route:              172.23.173.32/27
+origin:             AS4242420602
+mnt-by:             STEVENSUN-MNT
+source:             DN42
\ No newline at end of file