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Data as of Nov 4, 2026

123.151.20.0/24

No anonymizer space · no proxy exits in 30 days

China Telecom · space held by Chinanet Tianjin Province Network

Announcement
this exact prefix
RPKI valid
Announced by
AS132536
Type
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
123.151.0.0/17
since Sep 2010
AS17638Residential10Chinanet Tianjin Province Network
123.151.0.0/16
since Apr 2008
AS17638Residential22Chinanet Tianjin Province Network
123.150.0.0/15
since Mar 2007
AS17638Residential174
1 always on
Chinanet Tianjin Province Network

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
123.150.0.0/15131,072CHINANET-TJChinanet Tianjin Province NetworkALLOCATED PORTABLE—anti-spam@chinatelecom.cn
└ 123.151.20.0/24256TIANJIN-BOHAIZHENGQUAN-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Chinanet Tianjin Province Network
Range
123.150.0.0/15
Registration type
ALLOCATED PORTABLE
Origin network

AS132536

CN
Name
China Telecom
Type
Internet provider
Registered
Mar 11, 2022
Domain
ct1000.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed