Data as of Nov 6, 2026

81.31.0.0/19

2 residential-proxy exits · 30 days

GTT Communications Inc.

Announcement

this exact prefix

No RPKI

Announced by

AS3257

Type

Internet provider

83% of it

Residential-proxy exits

Proxy exits

0.02% of its addresses · 30 days

Spread

2 of 32

/24s with at least one exit

Providers

selling exits here

Oct 7, 2026 – Nov 5, 2026

Exits seen per day

16 observations

Business
Internet provider

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
81.31.9.0/24	0	1
81.31.15.0/24	0	1

Proxy providers listing exits

AnyIP
BottingTools
Decodo
EnigmaProxy
FloppyData
IPFly
NovaProxy
Oxylabs
ProxyEmpire
PuraRoute
ThunderProxy
VantageProxies

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
81.31.28.0/24 since Oct 10, 2026	AS397025	Business	GTT Communications Inc.

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
81.31.0.0/19	8,192	US-GTTCOMMUNICATIONS-20030519	GTT Communications Inc. (ORG-GCI2-RIPE) · US	ALLOCATED PA	Mar 22, 2021	abuse@gtt.net
└ 81.31.0.0/24	256	US-GTT-INTERFACES-NETS	Customer P2P interface addresses in US	ASSIGNED PA	Feb 17, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.1.0/27	32	VODAFONE-LIMITED-NETS	Vodafone Limited	ASSIGNED PA	May 12, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.1.32/28	16	SCANDINAVIAN-TABACCO-NETS	Scandinavian Tobacco Group A/S	ASSIGNED PA	Aug 21, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.1.48/28	16	COESIA-NETS	G.D. S.p.A.	ASSIGNED PA	Sep 24, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.1.64/28	16	SIXT-AUTOVERMIETUNG-NETS	Sixt GmbH & Co. Autovermietung KG	ASSIGNED PA	Nov 12, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.2.0/24	256	US-GTT-INTERFACES-NETS	Customer P2P interface addresses in US	ASSIGNED PA	Jun 12, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.3.0/24	256	US-GTT-INTERFACES-NETS	Customer P2P interface addresses in US	ASSIGNED PA	Sep 18, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.4.0/24	256	TR-GTT-INTERFACES-NETS	Customer P2P interface addresses in TR	ASSIGNED PA	Apr 22, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.5.0/27	32	GTT-MANAGEMENT-VDC-NETS	GTT London	ASSIGNED PA	Jun 10, 2016	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.5.64/28	16	APPLE-TEKNOLOJI-NETS	Apple Teknoloji ve Sat?s Limited Sirketi	ASSIGNED PA	Feb 2, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.5.80/28	16	APPLE-TEKNOLOJI-NETS	Apple Teknoloji ve Sat?s Limited Sirketi	ASSIGNED PA	Feb 2, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.5.96/29	8	MONDELEZ-NETS	Mondelez Europe Services GmbH	ASSIGNED PA	Feb 20, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.5.104/29	8	CUSHWAKE-NETS	Cushman & Wakefield	ASSIGNED PA	Jun 8, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.5.112/29	8	CUSHWAKE-NETS	Cushman & Wakefield	ASSIGNED PA	Jun 18, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.5.120/29	8	MONDELEZ-NETS	Mondelez International Inc	ASSIGNED PA	Aug 24, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.5.128/29	8	MONDELEZ-NETS	Mondelez International Inc	ASSIGNED PA	Aug 24, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.6.0/24	256	SK-GTT-INTERFACES-NETS	Customer P2P interface addresses in SK	ASSIGNED PA	Nov 14, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.7.32/27	32	CECOM-SK-NET	CE Com Slovakia, s.r.o.	ASSIGNED PA	Aug 10, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.7.64/28	16	TRITON-SK-NET	Triton, s.r.o.	ASSIGNED PA	Aug 10, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.8.0/24	256	FR-GTT-INTERFACES-NETS	Customer P2P interface addresses in FR	ASSIGNED PA	Nov 26, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.9.0/26	64	AGOM-JEROME-VITRY-NETS	Agom/Jerome Vitry	ASSIGNED PA	Dec 13, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.9.64/26	64	ELITE-TELECOM-NETS	Elite Telecom SARL	ASSIGNED PA	Jan 22, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.9.128/27	32	INTERSYSTEMS-NETS	unknown	ASSIGNED PA	Feb 4, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.9.160/27	32	GALERIES-LAFAYETTE-NETS	Galeries Lafayette SA	ASSIGNED PA	Feb 26, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.10.0/24	256	FR-GTT-INTERFACES-NETS	Customer P2P interface addresses in FR	ASSIGNED PA	Jan 6, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.11.0/25	128	PAR-GAR-VDC-MGMT	VDC ESX Management	ASSIGNED PA	Feb 6, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.12.0/24	256	FR-GTT-INTERFACES-NETS	Customer P2P interface addresses in FR	ASSIGNED PA	Feb 18, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.13.0/24	256	FR-GTT-INTERFACES-NETS	Customer P2P interface addresses in FR	ASSIGNED PA	Jul 9, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.14.0/24	256	FR-GTT-INTERFACES-NETS	Customer P2P interface addresses in FR	ASSIGNED PA	Aug 18, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.15.0/24	256	FR-GTT-INTERFACES-NETS	Customer P2P interface addresses in FR	ASSIGNED PA	Jan 22, 2016	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.16.0/24	256	CONSULT4-CZ-NET	4Consult s.r.o.	ASSIGNED PA	Feb 21, 2005	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.17.0/24	256	AE-GTT-VOIP-NETS	GTT Dubai Voice Network	ASSIGNED PA	Apr 7, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.18.0/24	256	HK-GTT-INTERFACES-NETS	Customer P2P interface addresses in HK	ASSIGNED PA	Jan 28, 2016	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.19.0/24	256	HK-GTT-INTERFACES-NETS	Customer P2P interface addresses in HK	ASSIGNED PA	Mar 17, 2016	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.20.0/24	256	HK-GTT-INTERFACES-NETS	Customer P2P interface addresses in HK	ASSIGNED PA	Oct 2, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.21.0/24	256	HK-GTT-INTERFACES-NETS	Customer P2P interface addresses in HK	ASSIGNED PA	Oct 2, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.22.0/25	128	LAX-VDC-ZONE	LAX VDC Ipac	LIR-PARTITIONED PA	Aug 3, 2016	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.23.0/24	256	DE-GTT-INTERFACES-NETS	Customer P2P interface addresses in DE	ASSIGNED PA	Jul 29, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.24.0/24	256	DE-GTT-INTERFACES-NETS	Customer P2P interface addresses in DE	ASSIGNED PA	Nov 25, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.25.0/25	128	FRA-006-VDC-MGMT	VDC ESX Management	ASSIGNED PA	Dec 17, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.25.128/25	128	BER-ALB-VDC-MGMT	VDC ESX Management	ASSIGNED PA	Jan 23, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.26.0/24	256	DE-GTT-INTERFACES-NETS	Customer P2P interface addresses in DE	ASSIGNED PA	Jan 14, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.27.0/24	256	DE-GTT-INTERFACES-NETS	Customer P2P interface addresses in DE	ASSIGNED PA	Feb 11, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.28.0/25	128	BOMBARDIER-NETS	Bombardier Transportation GmbH	ASSIGNED PA	Mar 20, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.28.128/25	128	BOMBARDIER-NETS	Bombardier Transportation GmbH	ASSIGNED PA	Mar 20, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.29.0/25	128	FORMEL-D-GMBH-NETS	Formel D GmbH	ASSIGNED PA	May 14, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.29.128/25	128	FORMEL-D-GMBH-NETS	Formel D GmbH	ASSIGNED PA	May 25, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.30.0/24	256	DE-GTT-INTERFACES-NETS	Customer P2P interface addresses in DE	ASSIGNED PA	Jun 3, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519
└ 81.31.31.0/24	256	DE-GTT-INTERFACES-NETS	Customer P2P interface addresses in DE	ASSIGNED PA	Jul 2, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-20030519

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

Type	Addresses	Share	Ranges
Internet provider	6,776	83%	10
Business	1,416	17%	24

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS3257

Name: GTT Communications Inc.
Type: Internet provider
Registered: Sep 30, 1994
Domain: gtt.net
Website: www.gtt.net
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed
VPN servers: 244

81.31.0.0/19

Residential-proxy exits

Exits seen per day

/24s with the most always-on exits

Proxy providers listing exits

Announcements

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS3257

Who has announced this prefix

Routing history

History

Route objects on the exact prefix

Registration for this announcement

Abuse contact