diff --git a/data/aut-num/AS211390 b/data/aut-num/AS211390
new file mode 100644
index 000000000..7af2408c2
--- /dev/null
+++ b/data/aut-num/AS211390
@@ -0,0 +1,13 @@
+aut-num:            AS211390
+as-name:            YUZHEN-AS
+descr:              Yuzhen Network
+admin-c:            YUZHEN-DN42
+tech-c:             YUZHEN-DN42
+mnt-by:             YUZHEN-MNT
+remarks:            AS211390 Yuzhen Network
+remarks:            YUZHEN NETWORK INC.
+remarks:            https://yuzhen.network
+remarks:            noc@yuzhen.network
+remarks:            Formerly AS4242422398
+remarks:            Formerly AS4242422399
+source:             RIPE
diff --git a/data/aut-num/AS4242422398 b/data/aut-num/AS4242422398
deleted file mode 100644
index e10a31938..000000000
--- a/data/aut-num/AS4242422398
+++ /dev/null
@@ -1,12 +0,0 @@
-aut-num:            AS4242422398
-as-name:            YUZHEN-AS-DN42
-descr:              Yuzhen Network
-remarks:            Yuzhen Network DN42
-remarks:            Website: dn42.yuzhen.network
-remarks:            Uptime: status.yuzhen.network
-remarks:            Peer with me at noc@jin-dan.site
-remarks:            Next generation of AS4242422399
-admin-c:            YUZHEN-DN42
-tech-c:             YUZHEN-DN42
-mnt-by:             YUZHEN-MNT
-source:             DN42
diff --git a/data/aut-num/AS4242422399 b/data/aut-num/AS4242422399
deleted file mode 100644
index c038fa01f..000000000
--- a/data/aut-num/AS4242422399
+++ /dev/null
@@ -1,7 +0,0 @@
-aut-num:            AS4242422399
-as-name:            QYZ-AS
-descr:              Peer with me at 1@jin-dan.site
-admin-c:            QYZ-DN42
-tech-c:             QYZ-DN42
-mnt-by:             QYZ-MNT
-source:             DN42
diff --git a/data/dns/qyz.dn42 b/data/dns/qyz.dn42
deleted file mode 100644
index 16c6491c3..000000000
--- a/data/dns/qyz.dn42
+++ /dev/null
@@ -1,7 +0,0 @@
-domain:             qyz.dn42
-admin-c:            QYZ-DN42
-tech-c:             QYZ-DN42
-mnt-by:             QYZ-MNT
-nserver:            ns1.tennoji-net.dn42 172.21.101.113
-nserver:            ns1.tennoji-net.dn42 fd62:d79c:a5b9::1
-source:             DN42
diff --git a/data/inet6num/fd2e:1216:d1e6::_48 b/data/inet6num/fd2e:1216:d1e6::_48
deleted file mode 100644
index 1f3055db1..000000000
--- a/data/inet6num/fd2e:1216:d1e6::_48
+++ /dev/null
@@ -1,11 +0,0 @@
-inet6num:           fd2e:1216:d1e6:0000:0000:0000:0000:0000 - fd2e:1216:d1e6:ffff:ffff:ffff:ffff:ffff
-netname:            QYZ-IPV6
-descr:              Peer with me at 1@jin-dan.site
-country:            CN
-admin-c:            QYZ-DN42
-tech-c:             QYZ-DN42
-mnt-by:             QYZ-MNT
-nserver:            ns1.tennoji-net.dn42
-status:             ASSIGNED
-cidr:               fd2e:1216:d1e6::/48
-source:             DN42
diff --git a/data/inetnum/172.20.222.128_26 b/data/inetnum/172.20.222.128_26
deleted file mode 100644
index 8cbe988da..000000000
--- a/data/inetnum/172.20.222.128_26
+++ /dev/null
@@ -1,11 +0,0 @@
-inetnum:            172.20.222.128 - 172.20.222.191
-netname:            QYZ-IPV4
-descr:              Peer with me at 1@jin-dan.site
-country:            CN
-admin-c:            QYZ-DN42
-tech-c:             QYZ-DN42
-mnt-by:             QYZ-MNT
-nserver:            ns1.tennoji-net.dn42
-status:             ASSIGNED
-cidr:               172.20.222.128/26
-source:             DN42
diff --git a/data/mntner/QYZ-MNT b/data/mntner/QYZ-MNT
deleted file mode 100644
index 0f8657a72..000000000
--- a/data/mntner/QYZ-MNT
+++ /dev/null
@@ -1,7 +0,0 @@
-mntner:             QYZ-MNT
-admin-c:            QYZ-DN42
-tech-c:             QYZ-DN42
-mnt-by:             QYZ-MNT
-source:             DN42
-auth:               pgp-fingerprint 17A745DEC7298325A69DD1C235D412B098D64338
-auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEY0uB+0FPR2WtNZm/YxJrJV0oiMAkgWcob+Jm7ZCYpM
diff --git a/data/person/QYZ-DN42 b/data/person/QYZ-DN42
deleted file mode 100644
index 2a1c48950..000000000
--- a/data/person/QYZ-DN42
+++ /dev/null
@@ -1,6 +0,0 @@
-person:             Qin Yuzhen
-e-mail:             1@jin-dan.site
-contact:            qq:439516995
-nic-hdl:            QYZ-DN42
-mnt-by:             QYZ-MNT
-source:             DN42
diff --git a/data/route/172.20.222.128_26 b/data/route/172.20.222.128_26
deleted file mode 100644
index 14ae0bee4..000000000
--- a/data/route/172.20.222.128_26
+++ /dev/null
@@ -1,5 +0,0 @@
-route:              172.20.222.128/26
-descr:              Peer with me at 1@jin-dan.site
-origin:             AS4242422399
-mnt-by:             QYZ-MNT
-source:             DN42
diff --git a/data/route/172.23.33.192_26 b/data/route/172.23.33.192_26
index 2b146963d..2cd07749e 100644
--- a/data/route/172.23.33.192_26
+++ b/data/route/172.23.33.192_26
@@ -1,5 +1,5 @@
 route:              172.23.33.192/26
 descr:              Yuzhen Network IPv4
-origin:             AS4242422398
+origin:             AS211390
 mnt-by:             YUZHEN-MNT
 source:             DN42
diff --git a/data/route6/fd2e:1216:d1e6::_48 b/data/route6/fd2e:1216:d1e6::_48
deleted file mode 100644
index d603b0410..000000000
--- a/data/route6/fd2e:1216:d1e6::_48
+++ /dev/null
@@ -1,5 +0,0 @@
-route6:             fd2e:1216:d1e6::/48
-descr:              Peer with me at 1@jin-dan.site
-origin:             AS4242422399
-mnt-by:             QYZ-MNT
-source:             DN42
diff --git a/data/route6/fd40:ad4d:ae6c::_48 b/data/route6/fd40:ad4d:ae6c::_48
index c03645381..ebcd19bfb 100644
--- a/data/route6/fd40:ad4d:ae6c::_48
+++ b/data/route6/fd40:ad4d:ae6c::_48
@@ -1,5 +1,5 @@
 route6:             fd40:ad4d:ae6c::/48
 descr:              Yuzhen Network IPv6
-origin:             AS4242422398
+origin:             AS211390
 mnt-by:             YUZHEN-MNT
 source:             DN42