diff --git a/data/aut-num/AS4242421122 b/data/aut-num/AS4242421122
new file mode 100644
index 000000000..3a0766c9c
--- /dev/null
+++ b/data/aut-num/AS4242421122
@@ -0,0 +1,8 @@
+aut-num:            AS4242421122
+as-name:            YHH-AS
+descr:              ovo
+remarks:            7777777
+admin-c:            YHH-DN42
+tech-c:             YHH-DN42
+mnt-by:             YHH-MNT
+source:             DN42
diff --git a/data/inetnum/172.23.240.0_26 b/data/inetnum/172.23.240.0_26
new file mode 100644
index 000000000..9b141db3c
--- /dev/null
+++ b/data/inetnum/172.23.240.0_26
@@ -0,0 +1,10 @@
+inetnum:            172.23.240.0 - 172.23.240.63
+netname:            G
+descr:              ovo
+country:            HK
+admin-c:            YHH-DN42
+tech-c:             YHH-DN42
+mnt-by:             YHH-MNT
+status:             ASSIGNED
+cidr:               172.23.240.0/26
+source:             DN42
diff --git a/data/mntner/YHH-MNT b/data/mntner/YHH-MNT
new file mode 100644
index 000000000..5a3f0395f
--- /dev/null
+++ b/data/mntner/YHH-MNT
@@ -0,0 +1,7 @@
+mntner:             YHH-MNT
+admin-c:            YHH-DN42
+tech-c:             YHH-DN42
+mnt-by:             YHH-MNT
+source:             DN42
+auth:               ssh-rsa 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 yhh@o233.cn
+remarks:            23333
diff --git a/data/person/YHH-DN42 b/data/person/YHH-DN42
new file mode 100644
index 000000000..cc2c6ee74
--- /dev/null
+++ b/data/person/YHH-DN42
@@ -0,0 +1,5 @@
+person:             yhh
+contact:            yhh@o233.cn
+nic-hdl:            YHH-DN42
+mnt-by:             YHH-MNT
+source:             DN42
diff --git a/data/route/172.23.240.0_26 b/data/route/172.23.240.0_26
new file mode 100644
index 000000000..2e3807af4
--- /dev/null
+++ b/data/route/172.23.240.0_26
@@ -0,0 +1,6 @@
+route:              172.23.240.0/26
+descr:              ovo
+origin:             AS4242421122
+mnt-by:             YHH-MNT
+source:             DN42
+max-length:         26