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Data as of Nov 4, 2026

72.29.128.0/20

No anonymizer space · no proxy exits in 30 days

British Telecommunications Limited · space held by INFONET Services Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS3300
Type
Residential
95% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
72.29.132.0/22
since Aug 2022
AS3300ResidentialINFONET Services Corporation

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
72.29.128.0/204,096BT-IP-ICG-GIIB-BLK2INFONET Services Corporation (INFO) · USDirect AllocationFeb 1, 2005matthias.blum@bt.com
└ 72.29.128.0/2732AUDIOCODESLTD-202unknown———
└ 72.29.128.32/2732AUDIOCODESLTD-203unknown———
└ 72.29.128.128/25128SEALEDAIRCORPOR-200unknown———
└ 72.29.129.0/24256AUDIOCODESLTD-205unknown———
└ 72.29.130.128/298MCKINSEYANDCOMP-205unknown———
└ 72.29.130.136/298BERMADD-200unknown———
└ 72.29.132.128/298BIOGENIDECunknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential3,88095%6
Business2165.3%6

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS3300

GB
Name
British Telecommunications Limited
Type
Internet provider
Registered
Oct 28, 1994
Domain
bt.net
Website
www.bt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed