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Data as of Nov 4, 2026

204.231.0.0/17

No anonymizer space · no proxy exits in 30 days

British Telecommunications Limited · space held by INFONET Services Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS3300
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
204.231.0.0 - 204.231.191.25549,152BT-IP-ICG-GIIB-BLK13INFONET Services Corporation (INFO) · USDirect AllocationJan 17, 1995[email protected]
└ 204.231.0.0/23512ELEPHANT-TALK1unknown———
└ 204.231.2.0/24256ELEPHANT-TALK2unknown———
└ 204.231.3.0/24256DATASTREAM8unknown———
└ 204.231.4.0/23512DATASTREAM9unknown———
└ 204.231.7.0 - 204.231.9.255768CIBC12unknown———
└ 204.231.10.0/24256CIBC11unknown———
└ 204.231.11.0/24256IVARANS1unknown———
└ 204.231.12.0/24256BOEHLER2unknown———
└ 204.231.13.0 - 204.231.16.2551,024NALCO3unknown———
└ 204.231.17.0 - 204.231.19.255768PROGRESS6unknown———
└ 204.231.20.0/23512NALCO4unknown———
└ 204.231.22.0/24256RICHARDSON-ELECTRONICunknown———
└ 204.231.23.0/24256IVARANS2unknown———
└ 204.231.24.0/24256INTERNALDIAL-200unknown———
└ 204.231.25.0/24256RESERVED-JOHNSON-CONTunknown———
└ 204.231.47.0/24256ELEPHANT-TALK3unknown———
└ 204.231.48.0/24256INFOLAN2-NETunknown———
└ 204.231.49.0/24256MERISEL6unknown———
└ 204.231.50.0/24256NALCO5unknown———
└ 204.231.51.0/24256INFORMIX22-NETunknown———
└ 204.231.52.0/23512PANALPINA4unknown———
└ 204.231.58.0/24256MICROSOFT19-NET58unknown———
└ 204.231.59.0/24256TERUMO1unknown———
└ 204.231.60.0/24256TERUMO2unknown———
└ 204.231.61.0/24256BOBST2unknown———
└ 204.231.62.0/24256INFOLAN3-NET62unknown———
└ 204.231.64.0/24256SUN-MICROSYSTEMS32unknown———
└ 204.231.66.0/24256NALCO1unknown———
└ 204.231.67.0/24256MARION-MERRELL12unknown———
└ 204.231.68.0/23512RAISIO1unknown———
└ 204.231.72.0/23512SPENCER1unknown———
└ 204.231.74.0/24256WRQ1unknown———
└ 204.231.75.0/24256DATASTREAM8-NETunknown———
└ 204.231.76.0/24256MICROSOFT20unknown———
└ 204.231.85.0 - 204.231.88.2551,024PICTURETEL3unknown———
└ 204.231.89.0/24256INFORMIX23-NETunknown———
└ 204.231.93.0/24256ARINC1unknown———
└ 204.231.94.0/24256STOLT1unknown———
└ 204.231.95.0/24256IAV1unknown———
└ 204.231.96.0/24256MAXIM1unknown———
└ 204.231.97.0/24256INTERPAC1unknown———
└ 204.231.98.0 - 204.231.101.2551,024NATIONAL-SEMICONDUCTOunknown———
└ 204.231.102.0/24256PICTURETEL4unknown———
└ 204.231.103.0 - 204.231.107.2551,280ROUSSEL1-NETunknown———
└ 204.231.114.0 - 204.231.125.2553,072ABB1unknown———
└ 204.231.126.0/24256INFORMIX24-NETunknown———
└ 204.231.127.0/24256CUSHMAN-WAKEFIELD1unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS3300

GB
Name
British Telecommunications Limited
Type
Internet provider
Registered
Oct 28, 1994
Domain
bt.net
Website
www.bt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed