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Data as of Nov 9, 2026

120.133.48.0/20

No anonymizer space · no proxy exits in 30 days

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

Announcement
this exact prefix
RPKI valid
Announced by
AS23724
Type
Hosting
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.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
120.133.51.0/24
since Aug 2025
AS4835Hosting21ViaNet(China),Inc.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS23724

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