diff --git a/data/aut-num/AS4242420803 b/data/aut-num/AS4242420803
index d560952e9..4369e12fe 100644
--- a/data/aut-num/AS4242420803
+++ b/data/aut-num/AS4242420803
@@ -1,18 +1,6 @@
 aut-num:            AS4242420803
-as-name:            AS for Bill
+as-name:            BILL-0803-ASN
 admin-c:            BILL-DN42
 tech-c:             BILL-DN42
 mnt-by:             BILL-MNT
 source:             DN42
-remarks:            --------------------------------------------
-remarks:            |     Open for every peeering requests     |
-remarks:            |                                          |
-remarks:            |  Server location: Los Angeles, Beijing   |
-remarks:            |                                          |
-remarks:            |   Wireguard is preferred but feel free   |
-remarks:            |  to contact me if you use other protocol |
-remarks:            |                                          |
-remarks:            |    Email: billchenchina2001@gmail.com    |
-remarks:            |       Telegram: t.me/billchenchina       |
-remarks:            |    Website: https://dn42.billchen.bid    |
-remarks:            --------------------------------------------
diff --git a/data/inet6num/fd72:436c:8f56::_48 b/data/inet6num/fd72:436c:8f56::_48
index 9ddb3fb35..10d8d86f3 100644
--- a/data/inet6num/fd72:436c:8f56::_48
+++ b/data/inet6num/fd72:436c:8f56::_48
@@ -1,7 +1,6 @@
 inet6num:           fd72:436c:8f56:0000:0000:0000:0000:0000 - fd72:436c:8f56:ffff:ffff:ffff:ffff:ffff
 cidr:               fd72:436c:8f56::/48
 netname:            BILL-NETWORK
-country:            CN
 admin-c:            BILL-DN42
 tech-c:             BILL-DN42
 mnt-by:             BILL-MNT
diff --git a/data/inetnum/172.23.33.0_26 b/data/inetnum/172.23.33.0_26
index 32e910a7f..e5b44c043 100644
--- a/data/inetnum/172.23.33.0_26
+++ b/data/inetnum/172.23.33.0_26
@@ -4,6 +4,5 @@ netname:            BILL-NETWORK
 admin-c:            BILL-DN42
 tech-c:             BILL-DN42
 mnt-by:             BILL-MNT
-org:                ORG-BIDGROUP
 status:             ASSIGNED
 source:             DN42
diff --git a/data/organisation/ORG-BIDGROUP b/data/organisation/ORG-BIDGROUP
deleted file mode 100644
index 240e37129..000000000
--- a/data/organisation/ORG-BIDGROUP
+++ /dev/null
@@ -1,6 +0,0 @@
-organisation:       ORG-BIDGROUP
-org-name:           BIDGroup
-admin-c:            BILL-DN42
-tech-c:             BILL-DN42
-mnt-by:             BILL-MNT
-source:             DN42
diff --git a/data/person/BILL-DN42 b/data/person/BILL-DN42
index bed3dd99b..ba972b87d 100644
--- a/data/person/BILL-DN42
+++ b/data/person/BILL-DN42
@@ -1,8 +1,9 @@
-person:             Bill Chen
-contact:            billchenchina2001@gmail.com
-contact:            telegram:@billchenchina
-contact:            twitter:@billchenchina
-contact:            github:@billchenchina
+person:             Tianyu Chen
+e-mail:             billchenchina2001@gmail.com
+contact:            github: @billchenchina
+contact:            matrix: @billchenchina:matrix.org
+contact:            mastodon: @billchenchina@bcom.moe
+contact:            telegram: @billchenchina
 nic-hdl:            BILL-DN42
 mnt-by:             BILL-MNT
 pgp-fingerprint:    31d8951d115db7f3fef59995546b245b5949269d