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Data as of Nov 7, 2026

217.31.9.0/24

No anonymizer space · no proxy exits in 30 days

British Telecommunications Limited · space held by CSC Computer Sciences Ltd

Announcement
this exact prefix
RPKI valid
Announced by
AS2856
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
217.31.0.0/204,096UK-CSC-20001026CSC Computer Sciences Ltd (ORG-CSC1-RIPE) · GBALLOCATED PAJun 14, 2002abuse@dxc.com
└ 217.31.9.0/24256CSCUK-Custnet1unknownASSIGNED PAFeb 19, 2024abuse@dxc.com
via UK-CSC-20001026

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
CSC Computer Sciences Ltd
Handle
ORG-CSC1-RIPE
Range
217.31.0.0/20
Registration type
ALLOCATED PA
Record created
Jun 14, 2002
Origin network

AS2856

GB
Name
British Telecommunications Limited
Type
Internet provider
Registered
Dec 22, 1993
Domain
bt.net
Website
www.bt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
12