diff --git a/data/aut-num/AS4242422554 b/data/aut-num/AS4242422554
new file mode 100644
index 000000000..9282e46e9
--- /dev/null
+++ b/data/aut-num/AS4242422554
@@ -0,0 +1,7 @@
+aut-num:            AS4242422554
+as-name:            CHANG-AS
+descr:              Peer with me at 1522268169@qq.com
+admin-c:            CHANG-DN42
+tech-c:             CHANG-DN42
+mnt-by:             CHANG-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/inetnum/172.20.15.224_28 b/data/inetnum/172.20.15.224_28
new file mode 100644
index 000000000..964938bce
--- /dev/null
+++ b/data/inetnum/172.20.15.224_28
@@ -0,0 +1,11 @@
+inetnum:            172.20.15.224 - 172.20.15.239
+netname:            CHANG-IPV4
+remarks:            Peer with me at 1522268169@qq.com
+descr:              for AS relationship research
+country:            CN
+admin-c:            CHANG-DN42
+tech-c:             CHANG-DN42
+mnt-by:             CHANG-MNT
+status:             ASSIGNED
+cidr:               172.20.15.224/28
+source:             DN42
diff --git a/data/mntner/CHANG-MNT b/data/mntner/CHANG-MNT
new file mode 100644
index 000000000..9172eeb2f
--- /dev/null
+++ b/data/mntner/CHANG-MNT
@@ -0,0 +1,8 @@
+mntner:             CHANG-MNT
+admin-c:            CHANG-DN42
+tech-c:             CHANG-DN42
+mnt-by:             CHANG-MNT
+source:             DN42
+auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKVMdj6bUJ1RUnZmOFdm75MduChEcSVfgim4+Zddgdh4 ubuntu@VM-4-14-ubuntu
+auth:               ssh-rsa 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 gaohaoyang1999222@163.com
+remarks:            for AS relationship research
diff --git a/data/person/CHANG-DN42 b/data/person/CHANG-DN42
new file mode 100644
index 000000000..9081e948d
--- /dev/null
+++ b/data/person/CHANG-DN42
@@ -0,0 +1,6 @@
+person:             CHANG
+e-mail:             1522268169@qq.com
+contact:            qq:1522268169
+nic-hdl:            CHANG-DN42
+mnt-by:             CHANG-MNT
+source:             DN42
\ No newline at end of file
diff --git a/data/route/172.20.15.224_28 b/data/route/172.20.15.224_28
new file mode 100644
index 000000000..7be2d9ab4
--- /dev/null
+++ b/data/route/172.20.15.224_28
@@ -0,0 +1,5 @@
+route:              172.20.15.224/28
+descr:              for AS relationship research
+origin:             AS4242422554
+mnt-by:             CHANG-MNT
+source:             DN42
\ No newline at end of file