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Data as of Nov 10, 2026

120.132.229.0/24

No anonymizer space · no proxy exits in 30 days

21Vianet.Co.,Ltd · space held by 21ViaNet(China),Inc.

Announcement
120.132.228.0/23
RPKI valid
Announced by
AS17428
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
120.132.224.0/21
since Feb 2018
AS17428Hosting21ViaNet(China),Inc.
via GuangZhou Gehua keji
120.132.128.0/17
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
120.132.128.0/1732,768CHINA-21VIANET21ViaNet(China),Inc.ALLOCATED PORTABLE—ipas@cnnic.cn
└ 120.132.160.0 - 120.132.255.25524,576GZGHGuangZhou Gehua kejiALLOCATED NON-PORTABLE—ipas@cnnic.cn

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 120.132.228.0/23

Prefix
120.132.228.0/23
Announced by
AS17428 21Vianet.Co.,Ltd
Type
Hosting
RPKI
RPKI valid
Netname
GZGH
Registrant
GuangZhou Gehua keji
RIR
APNIC
Registry

Holder

Organization
21ViaNet(China),Inc.
Range
120.132.128.0/17
Registration type
ALLOCATED PORTABLE
Reallocated to
GuangZhou Gehua keji
Reallocated range
120.132.160.0 - 120.132.255.255
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS17428

CN
Name
21Vianet.Co.,Ltd
Type
Hosting
Registered
Oct 19, 2000
Domain
21vianet.com
Website
www.en.21vianet.com
Industry
Software Development
Spamhaus ASN-DROP
not listed