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Data as of Nov 3, 2026

192.157.136.0/21

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
Risk
0 / 100 · Low

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
192.157.130.0 - 192.157.161.2558,192BT-IP-ICG-GIIB-BLK6INFONET Services Corporation (INFO) · USDirect AllocationApr 17, 1992[email protected]
└ 192.157.136.0/24256EMI1unknown———
└ 192.157.137.0/24256ALSYS1unknown———
└ 192.157.138.0/24256PROGRESS4unknown———
└ 192.157.139.0 - 192.157.140.255512ALSYS2unknown———
└ 192.157.141.0/24256ELF4unknown———
└ 192.157.142.0/24256READERS1unknown———

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