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Data as of Nov 9, 2026

212.36.153.0/24

No anonymizer space · no proxy exits in 30 days

COLT Technology Services Group Limited

Announcement
212.36.144.0/20
RPKI valid
Announced by
AS8220
Type
Internet provider
63% of it

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
212.36.128.0/1816,384UK-COLT-980422COLT Technology Services Group Limited (ORG-CI9-RIPE) · GBALLOCATED PADec 17, 2001abuse@colt.net
└ 212.36.153.0/24256BE-COLT-105-XFERCOLT TelecomLIR-PARTITIONED PANov 16, 2017abuse@colt.net
via UK-COLT-980422
└ 212.36.153.0/2732NET-GB-GuardianGuardian DRASSIGNED PAOct 28, 2009abuse@colt.net
via BE-COLT-105-XFER
└ 212.36.153.32/2732NET-GB-IO-DOMAINIO DomainASSIGNED PA—abuse@colt.net
via BE-COLT-105-XFER
└ 212.36.153.64/2732NET-GB-FAX-INFORMATION-SERVICES-LIMITEDFAX Information Services LimitedASSIGNED PADec 5, 2001abuse@colt.net
via BE-COLT-105-XFER

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

256 addresses
TypeAddressesShareRanges
Internet provider16063%1
Business9638%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 212.36.144.0/20

Prefix
212.36.144.0/20
Announced by
AS8220 COLT Technology Services Group Limited
Type
Internet provider
Proxy exits
1
RPKI
RPKI valid
Netname
UK-COLT-980422
Registrant
COLT Technology Services Group Limited
RIR
RIPE NCC
Origin network

AS8220

GB
Name
COLT Technology Services Group Limited
Type
Internet provider
Registered
Feb 24, 1997
Domain
colt.net
Website
www.colt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed