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Data as of Nov 15, 2026

123.151.44.0/22

No anonymizer space · no proxy exits in 30 days

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

Announcement
123.151.0.0/17
RPKI valid
Announced by
AS17638
Type
Hosting
50% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
123.151.0.0/16
since Apr 2008
AS17638Residential23Chinanet Tianjin Province Network
123.150.0.0/15
since Mar 2007
AS17638Residential159
2 always on
Chinanet Tianjin Province Network
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
123.151.46.0/24
since Jul 2019
AS58542HostingChinanet Tianjin Province Network
123.151.47.0/24
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
└ 123.151.44.0/221,024TIANJIN-TIANHONGXIN-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.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Hosting51250%2
Residential51250%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

123.151.0.0/17

Routing history

Pattern
Stable
First seen
Sep 2010
Current origin since
Sep 2010 · 16 yr
Origin networks
1