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Data as of Nov 7, 2026

217.173.104.0/24

No anonymizer space · no proxy exits in 30 days

COLT Technology Services Group Limited

Announcement
217.173.96.0/20
RPKI valid
Announced by
AS8220
Type
Internet provider
59% of it

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 provider15259%2
Business10441%6

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 217.173.96.0/20

Prefix
217.173.96.0/20
Announced by
AS8220 COLT Technology Services Group Limited
Type
Internet provider
Proxy exits
1
RPKI
RPKI valid
Netname
UK-COLT-20010409
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