Data as of Nov 13, 2026

212.74.0.0/19

2,048 anonymizer addresses · 25%

GTT Communications Inc. · space held by GTT - EMEA Ltd.

Announcement

this exact prefix

No RPKI

Announced by

AS3257

Type

Internet provider

67% of it

IPv4 market

Path

1 · Holder

GTT - EMEA Ltd.

record created Sep 20, 2002

2 · Leased from

IPXO

for its owner GTT - EMEA Ltd.

3 · Announced by

AS3257 GTT Communications Inc.

since Dec 2021 · 4.9 yr ago

4 · Use

Proxy providersnamed Oxylabs

Internet provider

Operators, sellers and brokers

Proxy providers

Name	Parent	In 212.74.0.0/19	/24s
Oxylabs	Tesonet	5126.3%	2

Leased from

IP brokers

Name	In 212.74.0.0/19	/24s
IPXO	5126.3%	2

Leased from

Owners leasing their own space

Name	In 212.74.0.0/19	/24s
GTT - EMEA Ltd.	1,53619%	6

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

212.74.0.0/19

From the registry to its use

Sep 20, 2002
Registry record
GTT - EMEA Ltd.
ALLOCATED PA
212.74.0.0/19
May 9, 2005– Dec 10, 2021
Announced
AS4589 GTT Communications (AS4589)
Nov 24, 2021
Route object
AS3257 GTT Communications Inc.
RIPE route object for AS3257 GTT Communications Inc., maintainer AS3257-ROUTE-MNT
Dec 11, 2021– today
Announced
AS3257 GTT Communications Inc.
Internet provider
Oct 16, 2026
Route object
IPXO
RADB route object for AS834 IPXO LLC, maintainer MAINT-AS834
212.74.6.0/23
today
Leased from
IPXO
IP broker
today
Used
Oxylabs
Proxy seller

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Operator	Leased from	Holder
212.74.0.0/22 since Aug 2026	AS54004	ISP proxy		IP broker IPXO	GTT - EMEA Ltd. via Internet Utilities Europe and Asia Limited
212.74.4.0/24 since Nov 11, 2026	AS18779	Datacenter proxy	Proxy providersoperated by Oxylabs	IP broker IPXO	GTT - EMEA Ltd. via GTTUS
212.74.20.0/24 since May 2026	AS7979	Hosting		IP broker IPXO	GTT - EMEA Ltd.
212.74.22.0/24 since Nov 11, 2026	AS18779	Datacenter proxy	Proxy providersoperated by Oxylabs	IP broker IPXO	GTT - EMEA Ltd. via GTTUS

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
212.74.0.0/19	8,192	UK-EASYNET-981014	GTT - EMEA Ltd. (ORG-EA49-RIPE) · GB	ALLOCATED PA	Sep 20, 2002	abuse@gtt.net
└ 212.74.0.0/22	1,024	Exo-Broadband	Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB	SUB-ALLOCATED PA	Apr 29, 2026	report@abuseradar.com
└ 212.74.0.0/25	128	PAVILION-SERVERS	Pavilion Internet plc (servers)	ASSIGNED PA	Jun 26, 2002	report@abuseradar.com via Exo-Broadband
└ 212.74.0.192/27	32	PAVILION-SERVERS-PROXIES	Pavilion Internet plc (servers)	ASSIGNED PA	Jun 26, 2002	report@abuseradar.com via Exo-Broadband
└ 212.74.0.224/27	32	PAVILION-ROUTERS-BRIGHTON	Pavilion Internet plc (routing matrix brighton)	ASSIGNED PA	Jun 26, 2002	report@abuseradar.com via Exo-Broadband
└ 212.74.1.0/24	256	PAVILION-INTERNAL	Pavilion Internet plc (internal staff network)	ASSIGNED PA	Jun 26, 2002	report@abuseradar.com via Exo-Broadband
└ 212.74.2.0/29	8	MOLTON-BROWN	S00218643 Molton Brown	ASSIGNED PA	Jul 13, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.8/29	8	TFL	S00209611 Transport for London	ASSIGNED PA	Jun 26, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.16/28	16	KABA-MANAGEMENT-AG	882559 dorma+kaba International Holding AG	ASSIGNED PA	Apr 1, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.32/29	8	SCDM-ENERGY	S00215453 SCDM Energy Limited	ASSIGNED PA	May 26, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.40/30	4	TERUMO-EUROPE	S00196775 Terumo Europe	ASSIGNED PA	May 18, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.44/30	4	TEEKAY	00997999 Teekay Petrojarl	ASSIGNED PA	Mar 31, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.48/28	16	SCDM-ENERGY	S00215454 SCDM Energy Limited	ASSIGNED PA	Aug 7, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.64/28	16	LAWRENCE-AUTOMOTIVE	800242 Lawrence Automotive Interiors Ltd	ASSIGNED PA	Mar 23, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.80/28	16	FITNESS-FIRST	S00201510 Fitness First Ltd	ASSIGNED PA	Feb 20, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.96/29	8	HOLIDAY-INN	765134 Holiday Inn Leeds Garforth	ASSIGNED PA	Feb 26, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.104/29	8	GALLERY	The Gallery Partnership - BarrowCadbury Trust	ASSIGNED PA	Jan 21, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.112/30	4	WEALD	S00093568 Weald	ASSIGNED PA	Jan 29, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.120/29	8	HOLIDAY-INN	S00093619 Holiday Inn East Kilbride	ASSIGNED PA	Oct 13, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.128/29	8	ASSET-TV	00788269 Asset TV Ltd	ASSIGNED PA	Oct 7, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.136/29	8	ROCK-IT	S00138850 Rock IT Group	ASSIGNED PA	Aug 8, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.144/29	8	BISHOPS-READING	S00093988 Bishop of Reading	ASSIGNED PA	Aug 7, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.152/29	8	ATG	870090 ATG	ASSIGNED PA	Aug 4, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.176/28	16	Foresight-Venture-Partners	799355 Foresight Venture Partners	ASSIGNED PA	Jul 17, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.192/29	8	HOLIDAY-INN	789170 Holiday Inn Express London	ASSIGNED PA	Jul 11, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.200/29	8	LAWRENCE-AUTOMOTIVE	800242 Lawrence Automotive Interiors Ltd	ASSIGNED PA	Jul 10, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.208/30	4	TELEFORNICA-CEMEX	S00243878 Telefornica Cemex	ASSIGNED PA	May 12, 2016	report@abuseradar.com via Exo-Broadband
└ 212.74.2.212/30	4	BARONIE-DE-HEER	S00225235 Baronie De Heer	ASSIGNED PA	Sep 21, 2015	report@abuseradar.com via Exo-Broadband
└ 212.74.2.224/29	8	INNERWORKINGS-EUROPE	00775356 - Innerworkings Europe Limited	ASSIGNED PA	Jun 10, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.232/29	8	AQUILA-TECHNOLOGY	00803059 Aquila Technology Limited	ASSIGNED PA	Jun 10, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.244/30	4	LINKLATERS	S00093952 Linklaters	ASSIGNED PA	May 21, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.2.248/29	8	MARUHO-EUROPE	774660 Maruho Europe Ltd	ASSIGNED PA	May 21, 2014	report@abuseradar.com via Exo-Broadband
└ 212.74.3.0/24	256	PAVILION-LINKS-2	Pavilion Internet plc (point to point links)	ASSIGNED PA	—	report@abuseradar.com via Exo-Broadband
└ 212.74.4.0/24	256	US20261029-GTT	GTTUS	SUB-ALLOCATED PA	Oct 29, 2026	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.0/29	8	PROVENSIS	00900159 - Provensis Ltd	ASSIGNED PA	Dec 5, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.8/29	8	BERENDSEN	S00167482	ASSIGNED PA	Dec 4, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.16/30	4	EASYNET-CLOUD-LOOPBACKS	Easynet Cloud Platform Loopbacks	ASSIGNED PA	Dec 5, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.20/30	4	EASYNET-CLOUD	Easynet Cloud Platform	ASSIGNED PA	Dec 4, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.24/29	8	NIFTYLIFT	00899009 - Niftylift Ltd.	ASSIGNED PA	Dec 3, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.48/28	16	TFL-LONDONBUS	OD00297767 TFL - London Buses	ASSIGNED PA	Nov 10, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.64/29	8	NATIONAL	00944857 National Portrait Gallery	ASSIGNED PA	Nov 11, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.72/29	8	CONVEY-LAW	00868836 - Convey Law Ltd	ASSIGNED PA	Nov 6, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.80/29	8	COFELY	900403 Cofely	ASSIGNED PA	Nov 4, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.88/29	8	COFELY	00900402 Cofely Workplace	ASSIGNED PA	Oct 28, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.96/29	8	JMW-BARNARD-MANAGEMENT-LTD	S00106550 JMW Barnard Management Ltd	ASSIGNED PA	Oct 16, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.104/29	8	ENACTOR	S00177030 Enactor Limited	ASSIGNED PA	Oct 9, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.112/29	8	ENVIROCURE	S00164571 Envirocure Ltd	ASSIGNED PA	Oct 9, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.120/29	8	BEST-WESTERN	S00183907 Interchange and Consort	ASSIGNED PA	Oct 8, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.128/30	4	AIR-NEW-ZEALAND	00892819 - Air New Zealand Limited	ASSIGNED PA	Oct 6, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.132/30	4	CONNECT-MANAGED-SERVICES	S00183291 - Connect Managed Services Ltd	ASSIGNED PA	Oct 2, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.136/29	8	AXIOM-VET	00845231 Axiom Veterinary Laboratories Ltd	ASSIGNED PA	Sep 30, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.144/28	16	GULF-KEYSTONE-PETROLEUM-UK-LTD	835765 - Gulf Keystone Petroleum UK Ltd	ASSIGNED PA	Sep 17, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.160/27	32	BREAKTHROUGH-BEAST-CANCER	S00166185 Breakthrough Breast Cancer	ASSIGNED PA	Sep 12, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.224/30	4	ATG	S00135915 - ATG	ASSIGNED PA	Oct 2, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.228/30	4	RANDSTAD	877187 Randstad	ASSIGNED PA	Sep 5, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.236/30	4	BLUE-RUBICON	00878131 Blue Rubicon Ltd	ASSIGNED PA	Aug 20, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.240/29	8	EASYNET-ACANO	Easynet Acano	ASSIGNED PA	Aug 15, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.5.248/29	8	GIA	S00114045 GIA Equation Design Limited	ASSIGNED PA	Aug 14, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.6.0/23	512	IPXO-GTT	Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB	SUB-ALLOCATED PA	Apr 29, 2026	report@abuseradar.com
└ 212.74.6.104/29	8	THAMES-INF	Thames Information Systems	ASSIGNED PA	Oct 23, 2014	report@abuseradar.com via IPXO-GTT
└ 212.74.6.160/28	16	EASYNET-LAB	Easynet LAB	ASSIGNED PA	Mar 16, 2015	report@abuseradar.com via IPXO-GTT
└ 212.74.7.248/29	8	AUSTIN-REES	S00085433 Austin Rees Ltd	ASSIGNED PA	Jan 12, 2015	report@abuseradar.com via IPXO-GTT
└ 212.74.20.0/24	256	IPXO-GTT	unknown	SUB-ALLOCATED PA	Apr 29, 2026	report@abuseradar.com
└ 212.74.21.0/24	256	SLOUGH-LINKS	PoP Numbered links	ASSIGNED PA	Oct 14, 2013	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.22.0/24	256	US20261029-GTT	GTTUS	SUB-ALLOCATED PA	Jun 19, 2026	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.0/30	4	EASYNET-CLOUD	Easynet Cloud Platform	ASSIGNED PA	Dec 5, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.4/30	4	FORESIGHT-VENTURE-PARTNERS	S00093557 Foresight Venture Partners	ASSIGNED PA	Apr 4, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.8/29	8	BOROUGH-MARKET	S00085895 Borough Market	ASSIGNED PA	Apr 3, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.16/29	8	PLAYGROUND-GAMES	00134418 - Playground Games	ASSIGNED PA	Apr 3, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.24/29	8	BRA-STOP	S00090445 Bra Stop Limited	ASSIGNED PA	Apr 2, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.32/28	16	LEEDS-FEDERATED-HOUSING	136619 Leeds Federated Housing Association Limited	ASSIGNED PA	Feb 26, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.48/28	16	BEST	00143181 Best 4 Loans	ASSIGNED PA	Feb 11, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.64/29	8	Premier-Tax-Free	S00088540 Premier Tax Free	ASSIGNED PA	Feb 18, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.72/29	8	ONE-HUNDRED-PROOF	136802 One Hundred Proof	ASSIGNED PA	Feb 7, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.80/29	8	LIFETIME-FINANCIAL-MANAGEMENT	00117107 360 Dot Net Ltd (LIFETIME FINANCIAL MANAGEMENT )	ASSIGNED PA	Jan 31, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.88/29	8	OLD-BANK-HOTEL	00135616 Old Bank Hotel	ASSIGNED PA	Jan 30, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.96/29	8	HAYS-TRAVEL	S00090412 Hays Travel Limited	ASSIGNED PA	Mar 7, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.104/29	8	W1-PRODUCTIONS	00129840 - W1 Productions Ltd	ASSIGNED PA	Jan 14, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.112/28	16	EASYNET-HME-EQSLO-FW	Easynet HME Slough	ASSIGNED PA	Jan 7, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.128/27	32	MEAR-TECHNOLOGY	139426 Mear Technology	ASSIGNED PA	Dec 18, 2013	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.160/27	32	MEAR-TECHNOLOGY	139426 Mear Technology	ASSIGNED PA	May 21, 2014	abuse@gtt.net via UK-EASYNET-981014
└ 212.74.23.248/30	4	FIFTEEN-BELOW	15below	ASSIGNED PA	Aug 13, 2004	abuse@gtt.net via UK-EASYNET-981014

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	5,488	67%	9
ISP proxyanonymizer	1,536	19%	2
Datacenter proxyanonymizer	512	6.3%	2
Business	400	4.9%	41
Hosting	256	3.1%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern: Rotating
First seen: May 2005
Current origin since: Dec 2021 · 4.9 yr
Origin networks: 2
Last change of origin: Dec 2021

Recorded history

History

Handoffs: 1

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS3257	RIPE	GTT	AS3257-ROUTE-MNT	Nov 24, 2021

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
212.74.6.0/23	AS834	RADB	autogen	MAINT-AS834	Oct 16, 2026

212.74.0.0/19

Path

Operators, sellers and brokers

Proxy providers

IP brokers

Owners leasing their own space

Lineage

From the registry to its use

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

Route objects inside

Registration for this announcement

Abuse contact