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Data as of Nov 5, 2026

166.49.128.0/25

No anonymizer space · no proxy exits in 30 days

British Telecommunications Limited · space held by communications networking services Private Unlimited Company

Announcement
166.49.128.0/17
RPKI valid
Announced by
AS5400
Type
Unknown
94% of it

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
166.49.128.0/1732,768BT-IGNITE-GLOBAL-BACKBONEcommunications networking services Private Unlimited Company (ORG-CNS54-RIPE) · GBLEGACYJul 9, 2003ipadmin@bt.com
└ 166.49.128.0/25128BT_AS5400_CC41_WBBritish Telecommunications Limited (ORG-CNS3-RIPE) · GBLEGACYNov 18, 2022abuse@eu.bt.net
└ 166.49.128.104/298COMPUTACENTERCOMPUTACENTERLEGACYNov 8, 2025abuse@eu.bt.net
via BT_AS5400_CC41_WB

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

128 addresses
TypeAddressesShareRanges
Unknown12094%2
Business86.3%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 166.49.128.0/17

Prefix
166.49.128.0/17
Announced by
AS5400 British Telecommunications Limited
Type
Unknown
Proxy exits
17
Always-on exits
1
RPKI
RPKI valid
Netname
BT-IGNITE-GLOBAL-BACKBONE
Registrant
communications networking services Private Unlimited Company
RIR
RIPE NCC
Origin network

AS5400

GB
Name
British Telecommunications Limited
Type
Internet provider
Registered
Aug 15, 1995
Domain
bt.net
Website
www.bt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed