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
└ 83.231.208.12/30	4	CANONEUROPA-NET	Canon Europa	ASSIGNED PA	Jul 5, 2018	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.208.64/29	8	DD-NET	Dimension Data	ASSIGNED PA	Jan 11, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.208.80/28	16	CANONEUROPE-NET	Canon Europe	ASSIGNED PA	Nov 26, 2018	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.208.112/29	8	MitsubishiCorporationInternational-NET	Mitsubishi Corporation International (Europe)	ASSIGNED PA	Mar 21, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.209.0/24	256	MSAMLIN-HEMEL-NET	ms amlin	ASSIGNED PA	Aug 1, 2018	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.210.60/30	4	AVIVAWEBOPS-NET	Aviva Digial Asset (Investor)	ASSIGNED PA	Nov 1, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.210.240/28	16	AVIVAWEBOPS-NET	Aviva Digial Asset (Investor)	ASSIGNED PA	Nov 1, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.211.112/29	8	RSA-NET	RSA	ASSIGNED PA	Nov 30, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.211.120/29	8	RSASECURITY-NET	RSA Security	ASSIGNED PA	Dec 10, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.211.224/27	32	VERIO-UK-RB-00	NTTEO UK London facility	ASSIGNED PA	Jan 13, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.212.0/24	256	fortinet-net	fortinet	ASSIGNED PA	Dec 11, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.213.0/24	256	VERIO-NL-INFRA	Verio NL amstnl02	ASSIGNED PA	Dec 10, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.214.0/24	256	VERIO-DE-INFRA	NTTEO DE frankfurt facility	ASSIGNED PA	Dec 10, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.215.128/28	16	VERIO-UK-INFRA	VERIO UK London facility	ASSIGNED PA	Jul 8, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.215.144/28	16	NTTE-FR-INFRA	NTTEO FR parsfr02 dc2 facility	ASSIGNED PA	Nov 8, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.215.160/27	32	NTTE-FR-INFRA	NTTEO FR parsfr02 dc2 facility	ASSIGNED PA	Nov 8, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.215.192/26	64	NTTEO-FR-INFRA	NTTEO FR Paris facility	ASSIGNED PA	Mar 1, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.217.120/29	8	SYNCHROTEAM-NET	Synchroteam	ASSIGNED PA	Jan 7, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.217.248/29	8	OXYLANE-NET	Oxylane	ASSIGNED PA	Apr 10, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.218.32/27	32	OXYLANE-NET	Oxylane	ASSIGNED PA	Apr 10, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.219.48/28	16	VERIO-UK-RB-00	NTT Europe Online UK london facility	ASSIGNED PA	Jul 6, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.221.0/27	32	NTTEOUK-NET	NTT Europe Online Geneva facility	ASSIGNED PA	Sep 25, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.221.32/27	32	NTTEOUK-NET	NTT Europe Online UK london facility	ASSIGNED PA	Mar 12, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.223.192/29	8	NTT-NET	NTT Com	ASSIGNED PA	Jan 25, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.223.224/29	8	QUINCEASSOCIATES-NET	Quince Associates Ltd	ASSIGNED PA	Jun 5, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.223.232/29	8	QUINCEASSOCIATES-NET	Quince Associates Ltd	ASSIGNED PA	Jun 5, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.224.80/28	16	NTTDATAEMEA-NET	NTT Data EMEA (IBM & UHL)	ASSIGNED PA	Apr 2, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.224.120/29	8	AVIVAWEBOPS-NET	Aviva Digial Asset (Investor)	ASSIGNED PA	Feb 26, 2014	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.224.128/27	32	NOMURA-NET	Nomura Asset Management	ASSIGNED PA	Dec 14, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.225.48/28	16	JUMEIRAH-NET	Jumeirah International LLC	ASSIGNED PA	Oct 21, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.225.73 - 83.231.225.78	6	WKE-NET	Wolters Kluwer	ASSIGNED PA	Feb 11, 2016	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.226.128/28	16	VERIO-UK-INFRA	VERIO UK London facility	ASSIGNED PA	Jul 8, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.226.160/27	32	VERIO-UK	NTT Europe Online FR Paris facility	ASSIGNED PA	Oct 28, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.226.192/26	64	NTTEO-FR-INFRA	NTTEO FR Paris facility	ASSIGNED PA	Mar 1, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.227.32/27	32	ARISGLOBAL-NET	Aris Global UK	ASSIGNED PA	Nov 4, 2008	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.228.200/29	8	PLC-NET	Practical Law Company	ASSIGNED PA	Jan 7, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.229.24/29	8	AVIVARAC-NET	Aviva RAC Arena	ASSIGNED PA	Oct 15, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.229.32/28	16	AVIVARAC-NET	Aviva RAC Arena	ASSIGNED PA	Oct 15, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.233.128/26	64	NTTE-UK-INFRA	NTT Europe Online UK	ASSIGNED PA	Aug 26, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.233.192/27	32	VERIO-UK-RB-00	NTT Europe Online UK	ASSIGNED PA	Jan 5, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.233.224/29	8	NTTE-UK-INFRA	NTT Europe Online UK	ASSIGNED PA	Jan 5, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.233.232/29	8	NTTEO-UK-INFRA	NTT Europe Online UK	ASSIGNED PA	Apr 14, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.233.240/28	16	VERIO-UK-RB-00	NTTEO UK London facility	ASSIGNED PA	Jan 20, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.0/27	32	UEFA-NET	Uefa	ASSIGNED PA	May 14, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.32/28	16	ACERTIGO-NET	Acertigo	ASSIGNED PA	May 19, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.48/29	8	ACERTIGO-NET	Acertigo	ASSIGNED PA	May 19, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.56/29	8	UEFA-NET	Uefa Media Technologies	ASSIGNED PA	Jul 20, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.72/29	8	INTERNETGEEKS-NET	Internet Geeks	ASSIGNED PA	May 14, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.112/29	8	UEFA-NET	Uefa	ASSIGNED PA	Dec 10, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.120/29	8	UEFA-NET	Uefa	ASSIGNED PA	Dec 10, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.128/27	32	UEFAMEDIATECHNOLOGIES-NET	Uefa Media Technologies	ASSIGNED PA	Oct 16, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.160/28	16	UEFA-NET	UEFA	ASSIGNED PA	Dec 21, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.176/29	8	UEFA-NET	Uefa	ASSIGNED PA	Mar 11, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.234.184/29	8	UEFA-NET	UEFA	ASSIGNED PA	Apr 30, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.235.0/25	128	LN-RISK-UK-1	LexisNexis	ASSIGNED PA	Oct 21, 2014	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.235.128/25	128	VERIO-UK-INFRA	Verio UK	ASSIGNED PA	Sep 9, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.236.200/29	8	VERIO-UK-RB-00	NTT Europe Online London facility	ASSIGNED PA	Jun 18, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.236.216/29	8	RUFUSLEONARD-NET	Rufus Leonard	ASSIGNED PA	Oct 6, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.237.0/24	256	NTTE-UK	NTT Europe Online UK	ASSIGNED PA	Mar 9, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.238.0/24	256	CLARIVATE-NET	Clarivate Analytics (UK) Ltd.	ASSIGNED PA	Nov 10, 2015	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.239.16/28	16	GYRON-NET	Gyron Internet Ltd	ASSIGNED PA	Feb 21, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.242.0/26	64	ALDERMORE-NET	Aldermore	ASSIGNED PA	Nov 27, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.242.64/26	64	ALDERMORE-NET	Aldermore	ASSIGNED PA	Nov 27, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.242.128/27	32	ALDERMORE-NET	Aldermore	ASSIGNED PA	Nov 27, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.242.160/28	16	ALDERMORE-NET	Aldermore	ASSIGNED PA	Nov 27, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.242.176/28	16	ALDERMORE-NET	Aldermore	ASSIGNED PA	Nov 27, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.242.192/29	8	ALDERMORE-NET	Aldermore	ASSIGNED PA	Nov 27, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.242.200/29	8	ALDERMORE-NET	Aldermore	ASSIGNED PA	Apr 15, 2020	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.242.208/29	8	ALDERMORE-NET	Aldermore	ASSIGNED PA	Apr 15, 2020	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.242.224/27	32	ALDERMORE-NET	Aldermore	ASSIGNED PA	Apr 15, 2020	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.243.32/27	32	HEXIT-NET	unknown	ASSIGNED PA	Oct 17, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.244.96/27	32	REASSURE-NET	unknown	ASSIGNED PA	Apr 6, 2017	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.244.128/27	32	REASSURE-NET	unknown	ASSIGNED PA	Apr 6, 2017	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.244.160/28	16	REASSURE-NET	unknown	ASSIGNED PA	Aug 7, 2017	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.245.24/30	4	AVIVARACARENA-NET	Aviva Rac Arena	ASSIGNED PA	Mar 7, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.245.40/29	8	NTT-NET	NTT Com	ASSIGNED PA	Aug 12, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.245.48/29	8	NTT-NET	NTT Com	ASSIGNED PA	Aug 12, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.245.56/29	8	NTT-NET	NTT Com	ASSIGNED PA	Aug 12, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.245.96/28	16	REASSURE-NET	unknown	ASSIGNED PA	Apr 6, 2017	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.246.0/24	256	VERIO-UK-INFRA	VERIO UK London facility	ASSIGNED PA	Jun 19, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.247.0/24	256	NTTE-ES-INFRA	NTTE ES madrid facility	ASSIGNED PA	Dec 10, 2013	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.248.8/29	8	OPSOURCE-NET	Opsource	ASSIGNED PA	Aug 24, 2009	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.249.32/30	4	LEMONWAY-NET	Lemon Way	ASSIGNED PA	Nov 12, 2018	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.249.36/30	4	LEMONWAY-NET	Lemon Way	ASSIGNED PA	Nov 12, 2018	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.249.128/29	8	JEFFDEBRUGES-NET	Jeff De Bruges Diffusion	ASSIGNED PA	May 11, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.249.240/28	16	LEMONWAY-NET	Lemon Way	ASSIGNED PA	Nov 26, 2018	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.254.64/27	32	ThyssenkruppElevator-NET	Thyssenkrupp Elevator	ASSIGNED PA	Jul 22, 2019	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.254.112/29	8	EUDATAWAREHOUSE-NET	European Data Warehouse	ASSIGNED PA	Jul 31, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.254.144/28	16	EUDATAWAREHOUSE-NET	European Data Warehouse	ASSIGNED PA	Jul 31, 2012	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.254.160/27	32	NTTE-ISS-NET	NTT Europe Ltd., Germany	ASSIGNED PA	Aug 2, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.254.192/28	16	EUDATAWAREHOUSE-NET	European Data Warehouse	ASSIGNED PA	Sep 28, 2011	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.254.208/28	16	GOURMONDO-NET	Database Management Network	ASSIGNED PA	Mar 3, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.255.0/28	16	GOURMONDO-NET	ESX Management Network	ASSIGNED PA	Mar 3, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.255.16/28	16	GOURMONDO-NET	Development and Staging	ASSIGNED PA	Mar 3, 2010	abuse@ntt.net via UK-NTTUNITED-20040603
└ 83.231.255.216/29	8	EUDATAWAREHOUSE-NET	European Data Warehouse	ASSIGNED PA	Jul 31, 2012	abuse@ntt.net via UK-NTTUNITED-20040603

← Previous201–295 of 295 · page 2 of 2Next →

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

Origin network

AS2914

Name: NTT America, Inc.
Type: Internet provider
Registered: Dec 7, 1998
Domain: ntt.net
Website: www.gin.ntt.net/
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

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

83.231.128.0/17

Announcements

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS2914

Who has announced this prefix

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact