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Data as of Nov 8, 2026

124.251.56.0/23

No anonymizer space · no proxy exits in 30 days

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

Announcement
124.251.32.0/19
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

PrefixOriginTypeHolderRPKI
124.251.0.0/18
since Aug 2016
AS23724Hosting21ViaNet(China),Inc.
124.251.0.0/17
since Nov 6, 2026
AS9308Hosting21ViaNet(China),Inc.
124.251.0.0/16
since May 2020
AS9308Hosting21ViaNet(China),Inc.
124.250.0.0/15
since May 2017
AS23724Hosting21ViaNet(China),Inc.

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
124.250.0.0/15131,072CHINA-21VIANET21ViaNet(China),Inc.ALLOCATED PORTABLE—ipas@cnnic.cn
└ 124.251.0.0/1665,536CHINA-21VIANET21ViaNet(China),Inc.ALLOCATED PORTABLE—ipas@cnnic.cn

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 124.251.32.0/19

Prefix
124.251.32.0/19
Announced by
AS23724 IDC, China Telecommunications Corporation
Type
Hosting
RPKI
RPKI valid
Netname
CHINA-21VIANET
Registrant
21ViaNet(China),Inc.
RIR
APNIC
Registry

Holder

Organization
21ViaNet(China),Inc.
Range
124.250.0.0/15
Registration type
ALLOCATED PORTABLE
Origin network

AS23724

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