Data as of Nov 14, 2026

83.231.128.0/17

No anonymizer space · no proxy exits in 30 days

NTT America, Inc. · space held by NTT United Kingdom Ltd

Announcement

this exact prefix

RPKI valid

Announced by

AS2914

Type

Internet provider

76% of it

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder
83.231.145.0/24 since Nov 2023	AS40934	Business	NTT United Kingdom Ltd
83.231.152.0/24 since Aug 2021	AS50518	Business	NTT United Kingdom Ltd
83.231.153.0/24 since Sep 2021	AS26114	Business	NTT United Kingdom Ltd
83.231.169.0/24 since Aug 2024	AS40934	Business	NTT United Kingdom Ltd
83.231.212.0/24 since Oct 2020	AS40934	Business	NTT United Kingdom Ltd

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
83.231.128.0/17	32,768	UK-NTTUNITED-20040603	NTT United Kingdom Ltd (ORG-NUKL1-RIPE) · GB	ALLOCATED PA	Apr 24, 2023	abuse@ntt.net
└ 83.231.128.0/27	32	ALINTO-NET	Alinto	ASSIGNED PA	Feb 22, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.128.48/28	16	MISSNUMERIQUE-NET	Miss Numerique	ASSIGNED PA	Feb 23, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.128.64/28	16	AJINOMOTO-NET	AJINOMOTO	ASSIGNED PA	Mar 14, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.128.112/28	16	LEMONWAY-NET	Lemon Way	ASSIGNED PA	Apr 19, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.128.168/29	8	SYNCHROTEAM-NET	Synchroteam	ASSIGNED PA	Jul 29, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.128.224/27	32	ARKADIN-NET	Arkadin	ASSIGNED PA	Aug 2, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.129.0/28	16	AVIVALCM-NET	Aviva LCM	ASSIGNED PA	Aug 8, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.130.17 - 83.231.130.30	14	EUPROMUSICAE-NET	Promusicae	ASSIGNED PA	Jun 7, 2016	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.130.73 - 83.231.130.78	6	CESMA-NET	Colo range	ASSIGNED PA	May 25, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.130.81 - 83.231.130.94	14	EUPROMUSICAE-NET	Promusicae	ASSIGNED PA	Jun 7, 2016	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.130.128/25	128	ATLASIT-NET	Atlas IT	ASSIGNED PA	Jul 5, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.131.0/29	8	ATLASIT-NET	Atlas IT	ASSIGNED PA	Feb 22, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.131.16/29	8	SUOP-PRE	Preproduction	ASSIGNED PA	Aug 19, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.131.33 - 83.231.131.62	30	LEFEBVRE-ELDERECHO-SA	Lefebvre-Elderecho SA	ASSIGNED PA	Jan 23, 2017	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.131.64/26	64	ATLASIT-NET	Atlas IT	ASSIGNED PA	Feb 22, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.132.104/29	8	CYOTA-NET	Cyota	ASSIGNED PA	Jan 6, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.132.112/29	8	NUCLEUS-NET	Nucleus	ASSIGNED PA	Jan 18, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.132.120/29	8	UEFA-NET	UEFA	ASSIGNED PA	Jan 24, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.132.168/29	8	CIMA-NET	Cima	ASSIGNED PA	Sep 21, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.132.208/28	16	M-CORP-NET	M Corp	ASSIGNED PA	Feb 9, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.132.224/28	16	NOKTA-NET	Nokta Internet Teknolojileri	ASSIGNED PA	Feb 28, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.132.248/29	8	INTERLINK-NET	InterLink Marketing Systems	ASSIGNED PA	Mar 7, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.133.0/29	8	BMJ-NET	British Medical Journal	ASSIGNED PA	Mar 8, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.133.24/29	8	CEDAR-CONSULTING-NET	Cedar Consulting Ltd	ASSIGNED PA	Mar 25, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.133.64/28	16	NOMURA-NET	Nomura Asset Management UK Limited	ASSIGNED PA	Dec 14, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.133.96/29	8	RUFUSLEONARD-NET	Rufus Leonard	ASSIGNED PA	May 10, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.133.145 - 83.231.133.151	7	IBMUK-NET	IBM United Kingdom Limited ADEP HEX	ASSIGNED PA	Jul 16, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.133.160/28	16	TMW-NET	TMW	ASSIGNED PA	May 12, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.133.176/29	8	BARRONS-NET	Caravan sales	ASSIGNED PA	May 17, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.133.248/29	8	EMIRATES-NET	Emirates Airlines	ASSIGNED PA	Jun 7, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.136.0/25	128	VERIO-UK-INFRA	Verio UK london facility	ASSIGNED PA	Nov 14, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.136.128/25	128	VERIO-UK-INFRA	Verio UK london facility	ASSIGNED PA	Nov 24, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.137.0/29	8	RUFUSLEONARD-NET	Rufus Leonard	ASSIGNED PA	Jun 7, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.137.32/29	8	RUFUSLEONARD-NET	Rufus Leonard	ASSIGNED PA	Jun 8, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.137.64/27	32	SMARTNER-NET	Smartner	ASSIGNED PA	Jul 13, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.137.160/29	8	OPENHAND-NET	Open Hand Software Ltd	ASSIGNED PA	Jun 21, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.138.40/29	8	TOPLANGUAGEJOBS-NET	Top Language Jobs Ltd	ASSIGNED PA	Aug 5, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.138.112/28	16	EMIRATES-NET	Emirates Group	ASSIGNED PA	Aug 31, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.138.176/28	16	CONCEP-NET	Concep	ASSIGNED PA	Aug 19, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.138.192/27	32	EMIRATES-NET	Emirates Group	ASSIGNED PA	Aug 31, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.138.224/27	32	EMIRATES-NET	Emirates Group	ASSIGNED PA	Aug 31, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.139.0/29	8	EMIRATES-NET	Emirates Group	ASSIGNED PA	Aug 31, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.139.8/29	8	EMIRATES-NET	Emirates Group	ASSIGNED PA	Aug 31, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.139.16/29	8	EMIRATES-NET	Emirates Group	ASSIGNED PA	Aug 31, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.139.80/29	8	RUFUSLEONARD-NET	Rufus Leonard	ASSIGNED PA	Sep 9, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.139.160/28	16	DOMINO-SYSTEMS-NET	Domino Systems	ASSIGNED PA	Sep 27, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.139.184/29	8	BLUESYSTEMS-NET	Blue Systems	ASSIGNED PA	Jun 22, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.139.192/29	8	XLNTELECOM-NET	XLN Telecom	ASSIGNED PA	Apr 6, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.139.200/29	8	NOMENSA-NET	Nomensa	ASSIGNED PA	Sep 28, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.140.120/29	8	UWL-NET	University of West London	ASSIGNED PA	Sep 4, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.140.208/28	16	SUPER-DERIVATIVES-NET	Super Derivatives	ASSIGNED PA	Oct 27, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.140.224/29	8	SUPER-DERIVATIVES-NET	Super Derivatives	ASSIGNED PA	Oct 27, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.140.232/29	8	ECCE-NET	Ecce Media Ltd	ASSIGNED PA	Nov 2, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.140.248/29	8	EMIRATES-NET	Emirates-Airlines	ASSIGNED PA	Nov 11, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.141.0/27	32	NOMURA-NET	Nomura Asset Management UK Limited	ASSIGNED PA	Dec 14, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.141.128/28	16	UEFAUMT-NET	UefaUMT-NET	ASSIGNED PA	Nov 28, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.141.232/29	8	XMONIC-NET	Xmonic Ltd	ASSIGNED PA	Dec 2, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.141.240/28	16	XMONIC-NET	Xmonic Ltd	ASSIGNED PA	Dec 2, 2005	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.142.64/28	16	EMIRATESAIRLINES-NET	Emirates Airlines	ASSIGNED PA	Dec 7, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.142.152/29	8	INTERACTIVEDRIVING-NET	Interactive driving	ASSIGNED PA	Feb 7, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.142.176/29	8	KEANE-TMR-NET	Keane / Tokio Millennium Reinsurance (TMR)	ASSIGNED PA	May 22, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.142.184/29	8	UKBUSINESS-NET	Uk business pages	ASSIGNED PA	Feb 17, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.144.128/29	8	VERIOUK-NET	Verio UK	ASSIGNED PA	Mar 22, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.146.64/26	64	VERIOUK-NET	Verio UK london facility	ASSIGNED PA	Jun 16, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.146.128/25	128	VERIOUK-NET	Verio UK london facility	ASSIGNED PA	Apr 4, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.148.64/26	64	DILIGENTA-NET	Diligenta Limited	ASSIGNED PA	Aug 24, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.148.128/29	8	DILIGENTA-NET	DILIGENTA Ltd.	ASSIGNED PA	Jun 10, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.148.145 - 83.231.148.158	14	VERIO-UK-RB-00	NTT Europe Online	ASSIGNED PA	Jun 23, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.148.160/27	32	MDU-NET	Office communication	ASSIGNED PA	Sep 11, 2015	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.148.224/28	16	SPEAKMEDIA-NET	Media	ASSIGNED PA	Mar 23, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.148.240/28	16	TARGUS-NET	Targus	ASSIGNED PA	Jan 28, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.149.96/27	32	ITSTECH-NET	ITS Technology Group Limited	ASSIGNED PA	Feb 7, 2023	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.149.128/26	64	ALPARI-NET	Alpari	ASSIGNED PA	Nov 10, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.149.192/27	32	ITSTECH-NET	ITS Technology Group Limited	ASSIGNED PA	Feb 7, 2023	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.149.232/30	4	HONDA-MOTOR-CH-NET	Internet Breakout	ASSIGNED PA	Sep 16, 2014	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.149.236/30	4	HONDA-MOTOR-DE-NET	Internet Breakout	ASSIGNED PA	Sep 16, 2014	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.149.240/30	4	HONDA-MOTOR-FR-NET	Internet Breakout	ASSIGNED PA	Sep 16, 2014	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.149.244/30	4	HONDA-MOTOR-BE-NET	Internet Breakout	ASSIGNED PA	Sep 16, 2014	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.149.248/30	4	HONDA-MOTOR-UK-NET	Internet Breakout	ASSIGNED PA	Sep 16, 2014	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.150.160/27	32	SSI-UK-NET	Sahaviriya Steel Industries UK	ASSIGNED PA	Dec 1, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.0/29	8	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.8/30	4	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.12/30	4	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.16/28	16	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.32/29	8	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.40/30	4	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.48/29	8	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.56/29	8	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.64/29	8	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.72/29	8	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Aug 15, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.155.96/29	8	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL	ASSIGNED PA	Sep 20, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.158.0/28	16	ADMINRE-NET	Admin Re	ASSIGNED PA	Sep 26, 2016	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.158.16/28	16	Nomura-NET	Nomura Asset Management UK Limited	ASSIGNED PA	Sep 26, 2016	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.158.32/27	32	UEFA-NET	Uefa	ASSIGNED PA	May 16, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.158.136/29	8	UEFA-NET	Uefa	ASSIGNED PA	May 16, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.158.144/28	16	FRAEDOM-NET	Fraedom Holdings Ltd	ASSIGNED PA	Aug 11, 2016	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.158.160/27	32	SPENDVISION-NET	Spendvision	ASSIGNED PA	Jul 18, 2016	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.158.208/28	16	FRAEDOM-NET	Fraedom Holdings Ltd	ASSIGNED PA	Aug 11, 2016	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.159.8/29	8	UEFA-NET	Uefa	ASSIGNED PA	Jun 7, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.159.16/28	16	DIALAPHONE-NET	Dial a Phone	ASSIGNED PA	Jun 5, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.159.40/29	8	BRITISHMOUNTAIN-NET	British Mountaineering Council	ASSIGNED PA	Jun 12, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.159.48 - 83.231.159.95	48	MEDICTOMEDIC-NET	Medic to Medic	ASSIGNED PA	Jun 13, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.159.136/29	8	MEDICTOMEDIC-NET	Medic to Medic	ASSIGNED PA	Jun 21, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.159.176/30	4	NOMURAASSETMANAGEMENT-NET	Nomura Asset Management	ASSIGNED PA	Jun 28, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.159.180/30	4	R13K-NET	Risk	ASSIGNED PA	Sep 21, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.160.0/29	8	TRADING-SCREEN-NET	Trading Screen Inc.	ASSIGNED PA	Sep 10, 2015	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.160.96/29	8	AMBITION-EUROPE	Ambition Europe Ltd	ASSIGNED PA	Jul 9, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.160.128/26	64	credit360ltd	Credit360 Ltd	ASSIGNED PA	Jul 13, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.161.0/25	128	VERIOUK-NET	Verio UK london facility	ASSIGNED PA	Jun 23, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.161.128/26	64	VERIOUK-NET	Verio uk	ASSIGNED PA	Jul 19, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.161.192/29	8	VERIOUK-NET	Verio UK	ASSIGNED PA	Apr 18, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.161.200/29	8	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	Jun 19, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.161.208/29	8	VERIO-UK-RB-00	NTT Europe Online UK london facility	ASSIGNED PA	Jun 29, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.161.216/29	8	VERIO-UK-RB-00	NTT Europe Online UK	ASSIGNED PA	Aug 4, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.161.224/27	32	VERIOUK-NET	Verio UK london facility	ASSIGNED PA	Jan 16, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.162.128 - 83.231.162.167	40	RI3K-NET	ri3k	ASSIGNED PA	Jul 7, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.162.168/29	8	SMART421-NET	Smart421	ASSIGNED PA	Jul 12, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.163.0/28	16	XLNTELECOM-NET	XLN Telecom	ASSIGNED PA	Jul 11, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.163.16/28	16	XLNTELECOM-NET	XLN Telecom	ASSIGNED PA	Jul 11, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.163.32/28	16	UEFAUMT-NET	Uefa Media Tech	ASSIGNED PA	Jul 15, 2006	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.164.160/28	16	Wolters_Kluwer_Colo	Wolters Kluwer Espana, S.A.	ASSIGNED PA	Jul 22, 2015	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.169.0/24	256	fortinet-net	fortinet	ASSIGNED PA	Dec 11, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.170.0/25	128	COLLINSON-NET	unknown	ASSIGNED PA	Jun 5, 2017	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.170.128/25	128	COLLINSON-NET	unknown	ASSIGNED PA	Jun 5, 2017	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.171.144/29	8	GAMES-WORKSHOP-NET	Games Workshop	ASSIGNED PA	Jan 3, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.171.152/29	8	INVEST-INTERACTIVE-NET	Invest Interactive Ltd	ASSIGNED PA	Jan 3, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.171.224/28	16	NIXXIE-NET	Nixxie	ASSIGNED PA	Jan 19, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.171.240/29	8	DATASCAPEONLINE-NET	Datascape	ASSIGNED PA	Jan 29, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.173.160/27	32	FR-ELS-NET	Editions Lefebvre Sarrut	ASSIGNED PA	Jun 24, 2020	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.174.48/28	16	TMW-NET	TMW	ASSIGNED PA	Feb 20, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.174.88/29	8	BMJ-NET	BMJ	ASSIGNED PA	Mar 21, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.174.96/27	32	CAPITAL-TOOL-NET	Capital Tool Company Agency Services Ltd	ASSIGNED PA	Mar 9, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.174.192/28	16	XLNTELECOM-NET	XLN Telecom	ASSIGNED PA	Jul 30, 2014	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.175.128/27	32	NISSAN-NET	Nissan	ASSIGNED PA	Mar 23, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.175.192 - 83.231.175.231	40	NATIVSYSTEMS-NET	Nativ Systems	ASSIGNED PA	Apr 5, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.175.240/28	16	SMART421-NET	Smart 421	ASSIGNED PA	Apr 11, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.176.0/24	256	VERIOUK-NET	Verio UK london facility	ASSIGNED PA	Jan 26, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.178.0/24	256	VERIOUK-NET	Verio UK	ASSIGNED PA	Apr 18, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.180.0 - 83.231.180.254	255	COLLINSON-NET	unknown	ASSIGNED PA	Jun 5, 2017	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.181.0/26	64	VERIOUK-NET	Verio UK london facility	ASSIGNED PA	May 18, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.181.96/27	32	NTTEOUK-NET	NTT Europe Online UK	ASSIGNED PA	Jun 6, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.181.128/26	64	NTTEOUK-NET	NTT Europe Online UK	ASSIGNED PA	Aug 3, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.181.192/26	64	NTTEOUK-NET	NTT Europe Online UK	ASSIGNED PA	Aug 7, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.184.128/27	32	UEFAMEDIATECH-NET	Uefa Media Technologies	ASSIGNED PA	Aug 21, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.184.160/28	16	UEFAMEDIATECH-NET	Uefa Media Technologies	ASSIGNED PA	Aug 21, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.184.192/28	16	HITCHINHARRISON-NET	Hitchin Harrison and Co	ASSIGNED PA	Aug 27, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.185.0/26	64	UEFAMEDIATECHNOLOGIES-NET	Uefa Media Technologies	ASSIGNED PA	Sep 14, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.185.112/29	8	NTR_FILER-NET	Barcelona	ASSIGNED PA	Sep 24, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.185.120/29	8	ri3k-net	Ri3k	ASSIGNED PA	Sep 26, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.185.160/29	8	ri3k-net	Ri3k	ASSIGNED PA	Sep 26, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.185.168/29	8	RI3K-NET	Ri3k	ASSIGNED PA	Oct 1, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.185.176/28	16	ri3k-net	Ri3k	ASSIGNED PA	Sep 26, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.185.192/29	8	CITY-CRUISES-NET	City Cruises	ASSIGNED PA	Oct 18, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.186.0/24	256	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	Aug 23, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.187.64/30	4	EDGECAST-NET	Edgecast-IT	ASSIGNED PA	Aug 30, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.187.80/28	16	CISD-NET	CISD Vienna	ASSIGNED PA	Dec 22, 2015	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.187.96/28	16	VERIO-UK	NTT Europe Vienna	ASSIGNED PA	Dec 22, 2015	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.188.0/24	256	ARINC-NET	ARINC Inc.	ASSIGNED PA	Nov 3, 2015	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.189.0/25	128	NTTE-BG-INFRA	NTT Europe Sofia	ASSIGNED PA	Dec 8, 2015	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.190.0/27	32	NTTE-SI-VOICE-NET	NTT Europe Ltd.	ASSIGNED PA	Dec 7, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.190.112/28	16	IHI-NET	IHI Corportaion	ASSIGNED PA	Aug 23, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.193.32 - 83.231.193.71	40	RUFUSLEONARD-NET	Rufus Leonard	ASSIGNED PA	Oct 29, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.193.72/29	8	TRUEPOTENTIAL-NET	True Potential LLP	ASSIGNED PA	Nov 2, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.193.176/29	8	INTERACTIVEDRIVING-NET	Interactive Driving Systems	ASSIGNED PA	Nov 9, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.193.208/28	16	JUMPMEDIA-NET	Jump Media	ASSIGNED PA	Dec 7, 2007	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.193.232/29	8	CIMA-NET	Cima	ASSIGNED PA	Jan 18, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.195.0/25	128	VERIO-UK	Ntteo UK	ASSIGNED PA	Jun 11, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.195.128/25	128	VERIO-UK	Ntteo UK	ASSIGNED PA	Jun 11, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.196.48/30	4	NOMURA-NET	Nomura Asset Management	ASSIGNED PA	Dec 14, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.196.52/30	4	NOMURA-NET	Nomura Asset Management	ASSIGNED PA	Dec 14, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.196.184/29	8	CIMA-NET	Cima	ASSIGNED PA	Jan 18, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.196.196/30	4	LISTERSGROUP-NET	Listers Group	ASSIGNED PA	Apr 24, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.197.0/27	32	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	Jan 7, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.197.32/29	8	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	Mar 18, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.197.40/29	8	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	May 22, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.197.48/28	16	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	Apr 9, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.197.64/26	64	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	Mar 18, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.197.128/25	128	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	Jan 22, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.198.0/29	8	ASPIREN-NET	Aspiren	ASSIGNED PA	Jan 29, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.199.0/25	128	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	Mar 18, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.199.128/28	16	VERIO-UK	NTT Europe Online UK london facility	ASSIGNED PA	Apr 28, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.199.144/29	8	VERIO-UK	NTT Europe Online UK london facility	ASSIGNED PA	Apr 29, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.199.152/29	8	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	May 22, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.199.160/27	32	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	May 15, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.199.192/27	32	VERIO-UK	NTT Europe Online UK london facility	ASSIGNED PA	Apr 29, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.199.224/27	32	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	May 15, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.202.100/30	4	AVIVANURAC-NET	Aviva NU RAC Arena	ASSIGNED PA	Jun 10, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.202.104/29	8	RUFUSLEONARD-NET	Rufus Leonard	ASSIGNED PA	Jun 13, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.202.112/29	8	RUFUSLEONARD-NET	Rufus Leonard	ASSIGNED PA	Jun 13, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.202.120/29	8	RUFUSLEONARD-NET	Rufus Leonard	ASSIGNED PA	Jun 23, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.203.96/27	32	OPENMEDIA-NET	Open Media Gateway	ASSIGNED PA	May 1, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.204.0/29	8	VERIO-UK-INFRA	VERIO UK London facility	ASSIGNED PA	May 28, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.204.8/29	8	VERIO-UK-RB-00	NTT Europe London facility	ASSIGNED PA	Apr 23, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.204.16/28	16	VERIO-UK-INFRA	VERIO UK London facility	ASSIGNED PA	Jun 23, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.204.32/28	16	VERIO-UK-INFRA	VERIO UK London facility	ASSIGNED PA	Jul 8, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.204.48/28	16	VERIO-UK-RB-00	NTTE UK London facility	ASSIGNED PA	Aug 17, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.204.64/26	64	VERIO-UK-RB-00	Verio UK	ASSIGNED PA	Jul 7, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.204.128/26	64	VERIO-UK-INFRA	VERIO UK London facility	ASSIGNED PA	Aug 5, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.204.192/29	8	VERIO-UK-RB-00	NTT Europe Online UK London facility	ASSIGNED PA	Aug 19, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.208.8/30	4	CANONEUROPA-NET	Canon Europa	ASSIGNED PA	Jul 5, 2018	abuse@ntt.net via UK-NTTUNITED-20040603

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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

32,768 addresses

Type	Addresses	Share	Ranges
Internet provider	24,961	76%	149
Business	7,807	24%	282

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern: Stable
First seen: May 2005
Current origin since: May 2005 · 22 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
83.231.128.0/17	AS2914	/17	RIPE	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS2914	NTTCOM	UK-NTT-20040603	MAINT-NTTCOM-BB	May 9, 2025