LAYER3 INTEL
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Data as of Nov 8, 2026

212.127.0.0/19

No anonymizer space · no proxy exits in 30 days

British Telecommunications Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS5400
Type
Internet provider
78% of it

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
212.127.0.0/198,192UK-BTGIA-980922British Telecommunications Limited (ORG-CNS3-RIPE) · GBALLOCATED PAAug 2, 2002abuse@eu.bt.net
└ 212.127.0.0/2732DigitPADigitPAASSIGNED PAAug 17, 2015abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.0.32/304bt_gsbt gsASSIGNED PAOct 5, 2018abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.0.36/304bertlesman-bristolBertlesman BristolASSIGNED PADec 2, 2002abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.0.56/298abbvieabbvieASSIGNED PADec 4, 2019abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.0.128/25128cotycotyASSIGNED PAOct 22, 2019abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.0/298Avanti-Communications-GroupAvanti-Communications-GroupASSIGNED PAJul 16, 2014abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.8/298Marconi-Electronic-ukMarconi Elettronic System Limited, c/o Syncordia SolutionsASSIGNED PAMar 4, 2002abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.16/2816TMS_redirectTMS redirectASSIGNED PAMar 3, 2016abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.32/298johnson_and_johnsonjohnson and johnsonASSIGNED PAMar 17, 2022abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.40/298philips_electronics_nederland_bvunknownASSIGNED PAJun 24, 2020abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.48/298BTGS-RADIANZ-ICGEXP561079ASSIGNED PAJul 18, 2023abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.56/298credit_suissecredit suisseASSIGNED PAJan 22, 2021abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.64/304yyysqeortiwayyysqeortiwaASSIGNED PAJul 15, 2021abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.68/304yyysqeortiwayyysqeortiwaASSIGNED PAJul 21, 2021abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.72/298bank_of_ireland_contract_mpls_networkunknownASSIGNED PAAug 10, 2021abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.80 - 212.127.1.867credit_suissecredit suisseASSIGNED PAAug 11, 2021abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.96/298bt_media_and_broadcastbt media and broadcastASSIGNED PAMay 10, 2022abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.112/298NTT_DATAEXP541602ASSIGNED PANov 28, 2022abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.120/298TATA_CONSULTANCY_SERVICES_INDIAEXP590099ASSIGNED PAMar 12, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.1.128/25128ROLLS_ROYCE_PLC-BTGSUKEXP582967ASSIGNED PAFeb 5, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.3.0/25128BT_PLCGround FloorASSIGNED PAMar 3, 2005abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.3.128/25128ROLLS_ROYCE_PLC_BTGSUKEXP582968ASSIGNED PAMay 16, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.0/2816landmark_informationlandmark informationASSIGNED PASep 24, 2020abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.16/298credit_suissecredit suisseASSIGNED PAJan 22, 2021abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.24/304anglo_american_plcanglo american plcASSIGNED PAFeb 9, 2021abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.28/304EXPERIAN_LIMITEDEXP655484ASSIGNED PAAug 21, 2026abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.32/298ZURICHEXP657223ASSIGNED PAJul 8, 2026abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.40/298IRISH_LIFE_AND_PERMANENTEXP652409ASSIGNED PASep 1, 2026abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.64/2816BT_INFRASTRUCTURE_PHEONIXunknownASSIGNED PASep 16, 2016abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.80/298BT_PLCGround FloorASSIGNED PAMar 3, 2005abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.88/298Avanti_Communications_GroupAvanti Communications GroupASSIGNED PAAug 12, 2015abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.96/298TLSBS_MEDIA_AND_TECHNOLOGYEXP565197ASSIGNED PAAug 23, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.104/298STELLANTISEXP612904ASSIGNED PAOct 30, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.112/298STELLANTISEXP614054ASSIGNED PANov 4, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.4.120/298STELLANTISEXP614871ASSIGNED PANov 4, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.5.0/24256BT-PLCBT PLCASSIGNED PANov 28, 2003abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.12.0/24256UK-GOONHILLYunknownASSIGNED PANov 17, 2015abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.13.0/24256BT-PLCunknownASSIGNED PAJun 24, 2008abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.15.0/2732BTGS-BTAMunknownASSIGNED PAMay 15, 2017abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.15.32/2816BT_INFRASTRUCTURE_PHEONIXunknownASSIGNED PASep 20, 2016abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.15.56/298Braodwing-CommunicationsBraodwing-CommunicationsASSIGNED PANov 26, 2004abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.15.64/2732yyysqeortiwaEXP485183ASSIGNED PAAug 23, 2022abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.15.96/2816ICG_CUSTOMEREXP548459ASSIGNED PAJan 12, 2023abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.16.0/298SPECSAVERS_OPTICAL_GROUP_LIMITEDunknownASSIGNED PANov 7, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.16.8/298STELLANTISEXP612758ASSIGNED PANov 13, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.16.16/298STELLANTISEXP615119ASSIGNED PANov 8, 2024abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.16.24/298OLD_MUTUAL_WEALTHEXP598873ASSIGNED PAJan 24, 2025abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.16.32/298BRITVIC_SOFT_DRINKS_LIMITED-BTGSUKEXP628276ASSIGNED PAMay 28, 2025abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.16.40/298CACEIS_BANK_LUXEMBOURGEXP644826ASSIGNED PADec 1, 2025abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.16.48/298STELLANTISEXP648139ASSIGNED PAFeb 10, 2026abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.16.56/298VERITAS_USAEXP646355ASSIGNED PAMar 17, 2026abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.18.128/2816shellshellASSIGNED PAFeb 10, 2020abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.18.144/298btw_media_and_broadcastbtw media and broadcastASSIGNED PAOct 19, 2018abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.18.152/298mufg_fund_services_ireland_limitedunknownASSIGNED PAMar 6, 2020abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.18.160/2816philips_electronics_nederland_bvunknownASSIGNED PAJul 1, 2020abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.18.176/298shellshellASSIGNED PAJul 10, 2020abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.18.184/304Bt_gsBt gsASSIGNED PANov 26, 2020abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.18.188/304anglo_american_plcanglo american plcASSIGNED PAJan 29, 2021abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.20.0/2664btvoice-mplsbtvoice-mplsASSIGNED PA—abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.20.64/2664btvoice-mplsbtvoice-mplsASSIGNED PASep 23, 2011abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.20.128/25128CONCERT-UK-LANConcertASSIGNED PA—abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.22.0/25128VOIPBt GlobalASSIGNED PAJun 12, 2012abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.22.128/25128VOIPBt GlobalASSIGNED PAJun 12, 2012abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.23.0/25128VOIPBt GlobalASSIGNED PAJun 12, 2012abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.23.128/25128VOIPBt GlobalASSIGNED PAJun 12, 2012abuse@eu.bt.net
via UK-BTGIA-980922
└ 212.127.27.0/24256dvs-gbDVS BrentfordASSIGNED PAAug 27, 2002abuse@eu.bt.net
via UK-BTGIA-980922

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

8,192 addresses
TypeAddressesShareRanges
Internet provider6,40978%13
Business1,78322%62

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS5400

GB
Name
British Telecommunications Limited
Type
Internet provider
Registered
Aug 15, 1995
Domain
bt.net
Website
www.bt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed