LAYER3 INTEL
Get started
Sign in
Data as of Nov 11, 2026

166.49.138.0/25

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
98% 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
└ 166.49.138.0/25128BT_AS5400_CC34_WBBritish Telecommunications Limited (ORG-CNS3-RIPE) · GBLEGACYJun 14, 2023abuse@eu.bt.net
└ 166.49.138.100/312KANTAR_GROUPunknownLEGACYJun 14, 2023abuse@eu.bt.net
via BT_AS5400_CC34_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
Unknown12698%2
Business21.6%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 166.49.128.0/17

166.49.128.0/17

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Oct 2016 · 10 yr
Origin networks
1