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Data as of Nov 9, 2026

120.133.53.0/24

No anonymizer space · no proxy exits in 30 days

IDC, China Telecommunications Corporation · space held by 21ViaNet(China),Inc.

Announcement
120.133.48.0/20
RPKI valid
Announced by
AS23724
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Nov 6, 2026
from AS4808 China Unicom Beijing Province Network

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
120.133.0.0/18
since Nov 6, 2026
AS9308Hosting321ViaNet(China),Inc.
120.133.0.0/17
since Nov 2022
AS9308Hosting321ViaNet(China),Inc.
120.133.0.0/16
since May 2017
AS23724Hosting321ViaNet(China),Inc.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 120.133.48.0/20

Prefix
120.133.48.0/20
Announced by
AS23724 IDC, China Telecommunications Corporation
Type
Hosting
RPKI
RPKI valid
Netname
CHINA-21VIANET
Registrant
21ViaNet(China),Inc.
RIR
APNIC
Origin network

AS23724

CN
Name
IDC, China Telecommunications Corporation
Type
Hosting
Registered
Apr 22, 2003
Domain
chinatelecom.cn
Spamhaus ASN-DROP
not listed