diff --git a/data/aut-num/AS4242420990 b/data/aut-num/AS4242420990
new file mode 100644
index 000000000..c3e9deed2
--- /dev/null
+++ b/data/aut-num/AS4242420990
@@ -0,0 +1,7 @@
+aut-num:            AS4242420990
+as-name:            AS-CXZLW-DN42
+descr:              cxzlw's Network
+admin-c:            CXZLW-DN42
+tech-c:             CXZLW-DN42
+mnt-by:             CXZLW-MNT
+source:             DN42
diff --git a/data/inet6num/fd68:33ff:f0f5::_48 b/data/inet6num/fd68:33ff:f0f5::_48
new file mode 100644
index 000000000..02b904fd0
--- /dev/null
+++ b/data/inet6num/fd68:33ff:f0f5::_48
@@ -0,0 +1,9 @@
+inet6num:           fd68:33ff:f0f5:0000:0000:0000:0000:0000 - fd68:33ff:f0f5:ffff:ffff:ffff:ffff:ffff
+cidr:               fd68:33ff:f0f5::/48
+netname:            CXZLW-IPV6-DN42
+descr:              IPv6 Network of CXZLW
+admin-c:            CXZLW-DN42
+tech-c:             CXZLW-DN42
+mnt-by:             CXZLW-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/inetnum/172.20.172.96_27 b/data/inetnum/172.20.172.96_27
new file mode 100644
index 000000000..dff6e5a99
--- /dev/null
+++ b/data/inetnum/172.20.172.96_27
@@ -0,0 +1,9 @@
+inetnum:            172.20.172.96 - 172.20.172.127
+cidr:               172.20.172.96/27
+netname:            CXZLW-IPV4-DN42
+descr:              IPv4 Network of CXZLW
+admin-c:            CXZLW-DN42
+tech-c:             CXZLW-DN42
+mnt-by:             CXZLW-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/mntner/CXZLW-MNT b/data/mntner/CXZLW-MNT
new file mode 100644
index 000000000..d281febbf
--- /dev/null
+++ b/data/mntner/CXZLW-MNT
@@ -0,0 +1,6 @@
+mntner:             CXZLW-MNT
+admin-c:            CXZLW-DN42
+tech-c:             CXZLW-DN42
+mnt-by:             CXZLW-MNT
+auth:               pgp-fingerprint 15B72F497BB49756C110172933E9E860A6811926
+source:             DN42
diff --git a/data/person/CXZLW-DN42 b/data/person/CXZLW-DN42
new file mode 100644
index 000000000..3ae70e2b9
--- /dev/null
+++ b/data/person/CXZLW-DN42
@@ -0,0 +1,9 @@
+person:             Sicheng W
+e-mail:             cxz.lwnb@gmail.com
+contact:            X:enocxzlw
+contact:            Telegram:cxzlw
+contact:            GitHub:cxzlw
+nic-hdl:            CXZLW-DN42
+mnt-by:             CXZLW-MNT
+source:             DN42
+pgp-fingerprint:    15B72F497BB49756C110172933E9E860A6811926
diff --git a/data/route/172.20.172.96_27 b/data/route/172.20.172.96_27
new file mode 100644
index 000000000..bca0ae81a
--- /dev/null
+++ b/data/route/172.20.172.96_27
@@ -0,0 +1,5 @@
+route:              172.20.172.96/27
+origin:             AS4242420990
+max-length:         27
+mnt-by:             CXZLW-MNT
+source:             DN42
diff --git a/data/route6/fd68:33ff:f0f5::_48 b/data/route6/fd68:33ff:f0f5::_48
new file mode 100644
index 000000000..a89f8ca48
--- /dev/null
+++ b/data/route6/fd68:33ff:f0f5::_48
@@ -0,0 +1,5 @@
+route6:             fd68:33ff:f0f5::/48
+origin:             AS4242420990
+max-length:         48
+mnt-by:             CXZLW-MNT
+source:             DN42