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Data as of Nov 4, 2026

123.151.136.0/23

No anonymizer space · no proxy exits in 30 days

ASN for TIANJIN Provincial Net of CT · space held by Chinanet Tianjin Province Network

Announcement
123.151.0.0/16
No RPKI
Announced by
AS17638
Type
Hosting
50% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
123.150.0.0/15
since Mar 2007
AS17638Residential174
1 always on
Chinanet Tianjin Province Network
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
123.151.137.0/24
since Jul 2019
AS58542HostingChinanet Tianjin Province Network

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
123.150.0.0/15131,072CHINANET-TJChinanet Tianjin Province NetworkALLOCATED PORTABLE—anti-spam@chinatelecom.cn
└ 123.151.136.0/23512TIANJIN-KEHUIKUANDAI-LTDunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

512 addresses
TypeAddressesShareRanges
Hosting25650%1
Residential25650%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 123.151.0.0/16

Prefix
123.151.0.0/16
Announced by
AS17638 ASN for TIANJIN Provincial Net of CT
Type
Residential
Proxy exits
22
RPKI
No RPKI
Netname
CHINANET-TJ
Registrant
Chinanet Tianjin Province Network
RIR
APNIC
Origin network

AS17638

CN
Name
ASN for TIANJIN Provincial Net of CT
Type
Internet provider
Registered
Nov 18, 2002
Domain
cndata.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed