Data as of Nov 6, 2026

212.23.32.0/19

No anonymizer space · no proxy exits in 30 days

GTT Communications Inc.

Announcement

this exact prefix

No RPKI

Announced by

AS3257

Type

Internet provider

57% of it

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
212.23.36.0/24 since Oct 22, 2026	AS6267	Unknown	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
212.23.32.0/19	8,192	US-GTTCOMMUNICATIONS-19990304	GTT Communications Inc. (ORG-GCI2-RIPE) · US	ALLOCATED PA	Mar 22, 2021	abuse@gtt.net
└ 212.23.32.64/26	64	GTT-SERVICES-NETS	GTT Services Networks (UK)	ASSIGNED PA	Oct 30, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.32.128/25	128	UK-GTT-INTERFACES-NETS	Customer P2P interface addresses in UK	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.33.8/29	8	ALPRO-GMBH-NETS	Alpro GmbH	ASSIGNED PA	Jul 30, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.33.16/29	8	GEBIT-SOLUTIONS-NETS	Gebit Solutions GmbH	ASSIGNED PA	Aug 18, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.33.24/29	8	DENIZ1-IPAC-NETS	DenizBank AG	ASSIGNED PA	Nov 1, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.33.32/29	8	EDELMAN-NETS	Edelman	ASSIGNED PA	Aug 6, 2009	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.33.40/29	8	GEBIT-SOLUTIONS-NETS	Gebit Solutions GmbH	ASSIGNED PA	Oct 26, 2009	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.33.56/29	8	AL-KO-KOBER-NETS	AL-KO Kober AG	ASSIGNED PA	Aug 29, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.33.64/26	64	GTT-SERVICES-NETS	GTT Services Networks (DE)	ASSIGNED PA	Oct 30, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.33.128/25	128	DE-GTT-INTERFACES-NETS	Customer P2P interface addresses in DE	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.34.0/25	128	UK-GTT-INTERFACES-NETS	Customer P2P interface addresses in UK	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.34.128/25	128	STSN-NETS	STSN Deutschland GmbH	ASSIGNED PA	Sep 28, 2001	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.35.0/24	256	GTT-CORPORATE-UK-NETS	GTT IT department	ASSIGNED PA	Jan 18, 2002	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.36.0/24	256	GTT-NMS-NETS	GTT network management systems and NOC users	ASSIGNED PA	Feb 10, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.37.0/26	64	AKAMAI-NETS	AKAMAI - Streaming Media	ASSIGNED PA	Aug 1, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.37.64/26	64	GTT-NMS-NETS	GTT network management systems and NOC users	ASSIGNED PA	Oct 30, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.37.128/25	128	FR-GTT-INTERFACES-NETS	Customer P2P interface addresses in FR	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.38.0/23	512	GTT-IP-LOOPBACKS	GTT IP Network Router Loopback addresses	ASSIGNED PA	Oct 15, 2001	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.40.0/24	256	GTT-VOIP-NETS	GTT Amsterdam Softswitch Voice Network	ASSIGNED PA	Jan 29, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.41.64/26	64	IP-BE-BRUSSELS-POP-NETS	GTT BE Brussels IP POP	ASSIGNED PA	Mar 14, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.41.128/26	64	IP-NL-AMSTERDAM-POP-NETS	GTT NL Amsterdam IP POP	ASSIGNED PA	Nov 25, 2002	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.41.192/26	64	IP-NL-ROTTERDAM-POP-NETS	GTT NL Rotterdam IP POP	ASSIGNED PA	Jan 29, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.42.0/26	64	IP-FR-PARIS-POP-NETS	GTT FR Paris IP POP	ASSIGNED PA	Nov 25, 2002	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.42.64/26	64	IP-IT-MILAN-POP-NETS	GTT IT Milan IP POP	ASSIGNED PA	Mar 14, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.42.128/26	64	IP-DE-FRANKFURT-POP-NETS	GTT DE Frankfurt IP POP	ASSIGNED PA	Nov 25, 2002	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.42.192/26	64	IP-ES-MADRID-POP-NETS	GTT ES Madrid IP POP	ASSIGNED PA	Mar 19, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.43.0/26	64	IP-AT-VIENNA-POP-NETS	GTT AT Vienna IP POP	ASSIGNED PA	Jan 29, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.43.64/26	64	IP-SE-STOCKHOLM-POP-NETS	GTT SE Stockholm IP POP	ASSIGNED PA	Jan 29, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.43.128/26	64	IP-US-NEWYORK-POP-NETS	GTT US New York IP POP	ASSIGNED PA	Jan 29, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.43.192/26	64	IP-CH-ZURICH-POP-NETS	GTT CH Zurich IP POP	ASSIGNED PA	Jan 29, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.44.0/27	32	NEWCOM-NETS	NewCom International, Inc.	ASSIGNED PA	Jan 17, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.44.64/29	8	CHARLES-TAYLOR-NETS	Charles Taylor Insuretech Limited	ASSIGNED PA	Jul 6, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.44.72/29	8	THE-MILL-NETS	The Mill (FACILITY) Ltd	ASSIGNED PA	Feb 24, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.44.80/29	8	CHARLES-TAYLOR-NETS	Charles Taylor Insuretech Limited	ASSIGNED PA	Jul 6, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.44.96/30	4	ENVISION-GLOBAL-REACH-NETS	Envision Global Reach	ASSIGNED PA	Jul 24, 2007	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.44.112/29	8	CEGEDIM-NETS	Cegedim customer network	ASSIGNED PA	Sep 11, 2007	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.44.120/29	8	SYLVANIA-HOLDING-NETS	Sylvania (UK) Holding Co Ltd.	ASSIGNED PA	Jun 12, 2008	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.44.128/25	128	US-GTT-INTERFACES-NETS	Customer P2P interface addresses in US	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.45.0/28	16	FORUM-NETS	Forum AG	ASSIGNED PA	May 2, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.45.16/28	16	ATHENA-GRAPHICS-NET	Athena Graphics	ASSIGNED PA	May 13, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.45.40/29	8	AIR-VANUATU-NETS	Air Vanuatu (Operations) Limited	ASSIGNED PA	May 18, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.45.80/29	8	OGONE-NETS	Ogone	ASSIGNED PA	Oct 17, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.45.88/29	8	EUROPEAN-IS-BE-NETS	EUROPEAN internet Services	ASSIGNED PA	Nov 10, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.45.96/28	16	OGONE-NETS	Ogone	ASSIGNED PA	Oct 17, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.45.120/29	8	HOLCIM-GROUP-NETS	Holcim Group Support Ltd	ASSIGNED PA	Aug 17, 2012	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.45.128/25	128	BE-GTT-INTERFACES-NETS	Customer P2P interface addresses in BE	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.46.168/29	8	PICA-SAS-NETS	Paris International Campus SAS	ASSIGNED PA	Sep 28, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.46.184/29	8	PICA-SAS-NETS	Paris International Campus SAS	ASSIGNED PA	Nov 17, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.46.192/28	16	PHOTOBOX-NETS	PHOTOBOX	ASSIGNED PA	May 3, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.46.208/29	8	TELSTRA-EUROPE-LTD	Telstra Europe Limited customer network	ASSIGNED PA	Dec 22, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.46.216/29	8	FRESHFIELDS-NETS	Freshfields Bruckhaus Deringer LLP	ASSIGNED PA	Apr 24, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.46.224/27	32	STSN-NETS	STSN Monaco	ASSIGNED PA	Mar 16, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.47.0/24	256	GTT-VOIP-NETS	GTT London Softswitch Voice Network	ASSIGNED PA	Jan 29, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.0/28	16	INFOTHEEK-NETS	Infotheek Groep N.v.	ASSIGNED PA	Oct 23, 2012	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.24/29	8	ZYLAB-DSC-NETS	ZyLAB eDiscovery & Compliance Services (DCS) B.V	ASSIGNED PA	Dec 7, 2012	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.56/29	8	DRO1-Internet-Access-NETS	Royal Cosun	ASSIGNED PA	Oct 5, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.64/29	8	ACTION-NETS	Action Service & Distributie B.V.	ASSIGNED PA	Dec 11, 2017	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.72/29	8	SCHWARTZ-IT-INFRASTRUCTURE-NETS	Schwarz IT GmbH & Co. KG	ASSIGNED PA	Feb 1, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.80/28	16	DETRON-DATANCENTER-NETS	Detron Datacenter Diensten B.V.	ASSIGNED PA	Feb 24, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.96/27	32	WATTS-NETS	Watts Industries Europe B.V.	ASSIGNED PA	Jun 19, 2012	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.128/27	32	LINKGLOBE-NETS	LINKGLOBE VoIP network	ASSIGNED PA	Feb 2, 2007	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.160/27	32	PHOTOWAYS-NETS	PHOTOWAYS	ASSIGNED PA	Aug 6, 2007	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.48.192/26	64	BUCKAROO-NETS	Buckaroo BV	ASSIGNED PA	Apr 16, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.49.64/29	8	SUPERMEDIA-NETS	Supermedia s.r.l. network	ASSIGNED PA	Jul 24, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.49.72/29	8	DIGITALE-ITALIA-NETS	Digitale Italia s.r.l.	ASSIGNED PA	Nov 15, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.49.80/30	4	DIGITALE-ITALIA-NETS	Digitale Italia s.r.l.	ASSIGNED PA	Jan 15, 2007	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.49.88/29	8	MITCAPS-NETS	mitcaps GmbH	ASSIGNED PA	Oct 2, 2013	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.49.96/28	16	DANIELI-NETS	DANIELI SpA	ASSIGNED PA	Jul 5, 2012	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.49.120/29	8	FONDAZIONE-PISANA-NETS	Fondazione Pisana per la Scienza Onlus	ASSIGNED PA	Jun 20, 2013	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.49.128/25	128	IT-GTT-INTERFACES	Customer P2P interface addresses in IT	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.50.8/29	8	FRIATEC-NETS	Friatec AG network	ASSIGNED PA	Feb 28, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.50.16/28	16	REVERSE-CZECH-NETS	Reverse Czech Ltd.	ASSIGNED PA	Aug 16, 2007	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.50.32/29	8	IP-CZ-PRAGUE-TELEMETRY-NETS	GTT Prague Telemetry	ASSIGNED PA	Apr 4, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.50.40/29	8	IP-CZ-PRAGUE-TELEMETRY-NETS	GTT Prague Telemetry	ASSIGNED PA	Apr 4, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.50.48/29	8	PROMEDIACZ-NETS	PROMEDIA.CZ, s.r.o.	ASSIGNED PA	May 5, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.50.56/29	8	COOLHOUSING-NETS	COOLHOUSING s.r.o.	ASSIGNED PA	Apr 12, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.50.64/26	64	IP-CZ-PRAGUE-POP-NETS	GTT Prague POP	ASSIGNED PA	May 18, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.50.128/25	128	CZ-GTT-INTERFACES-NETS	Customer P2P interface addresses in CZ	ASSIGNED PA	May 19, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.51.0/24	256	ATLAS-NETS	ATLAS Interactive Management Ltd.	ASSIGNED PA	Sep 25, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.52.64/27	32	GREEN-IT-GLOBE-NETS	Green IT Globe N.V.	ASSIGNED PA	Mar 3, 2017	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.52.96/27	32	IT-BVBA-NETS	360 IT Bvba	ASSIGNED PA	Nov 28, 2017	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.52.192/27	32	APCO-WORLDWIDE-NETS	Apco Worldwide, France	ASSIGNED PA	Sep 17, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.52.224/29	8	HIGH-TECH-NETS	High Tech sprl	ASSIGNED PA	Jun 19, 2007	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.52.248/29	8	CYPRESS-SEMICONDUCTOR-NETS	Cypress Semiconductor BVBA	ASSIGNED PA	Jun 17, 2008	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.53.0/25	128	ES-GTT-INTERFACES-NETS	Customer P2P interface addresses in ES	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.53.128/28	16	T-SYSTEM-ITC-ESPANA	T-Systems ITC Services Espana S.A.U	ASSIGNED PA	Sep 11, 2009	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.53.144/28	16	PRINEX-NETS	Shebel Consultoria y Servicios, S.L.	ASSIGNED PA	Jul 13, 2017	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.53.160/29	8	OCCAR-NETS	OCCAR "Organisation for Joint Armament Co-operation"	ASSIGNED PA	Jul 11, 2017	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.53.168/29	8	AGENCEWEB-ES-NET	AgenceWeb SA	ASSIGNED PA	Oct 15, 2009	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.53.176/29	8	GTT-HOSTING-NETS	GTT Czech republic	ASSIGNED PA	Oct 20, 2009	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.53.184/29	8	CORTEFIEL-NETS	Cortefiel Servicios, S.A.	ASSIGNED PA	Aug 20, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.53.192/27	32	GTT-HOSTING-NETS	GTT	ASSIGNED PA	Oct 20, 2009	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.53.224/27	32	META4-NETS	Meta4 Spain, S.A.	ASSIGNED PA	Oct 8, 2012	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.54.8/29	8	VIRTELA-NETS	VIRTELA - Germany	ASSIGNED PA	Dec 15, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.54.16/29	8	VIRTELA-NETS	Virtela company services	ASSIGNED PA	Nov 23, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.54.32/28	16	VIRTELA-NETS	VIRTELA - Netherlands	ASSIGNED PA	Mar 24, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.54.64/29	8	BOMBARDIER-NETS	Bombardier Transportation GmbH	ASSIGNED PA	May 4, 2017	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.54.80/29	8	SFERA-NETWORKS-NETS	Sfera Networks s.r.l.	ASSIGNED PA	Apr 4, 2008	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.54.88/29	8	GTT-CUSTOMER	GTT Customer	ASSIGNED PA	Apr 26, 2017	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.54.96/27	32	CBG-NETS	CBG Beierkuhnlein Grundst?rwaltung GmbH	ASSIGNED PA	Jun 30, 2017	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.54.128/26	64	STSN-NETS	STSN Deutschland GmbH	ASSIGNED PA	Jan 23, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.55.8/29	8	TELCOM-SOLUTION-NETS	Telcom Solution AG	ASSIGNED PA	Apr 1, 2013	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.55.16/28	16	SYMETRIA-NETS	SYMETRIA	ASSIGNED PA	Aug 17, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.55.32/29	8	VIRTELA-NETS	VIRTELA - Netherlands	ASSIGNED PA	Nov 23, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.55.64/27	32	SYMETRIA-NETS	SYMETRIA	ASSIGNED PA	Dec 15, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.55.96/29	8	INTERTRUST-GROUP-NETS	Intertrust Group B.V.	ASSIGNED PA	May 31, 2016	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.55.104/29	8	MEDIA-PLANNING-GROUP-NETS	Media Planning Group,S.A	ASSIGNED PA	Jun 3, 2016	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.55.112/29	8	BLUEI-NETS	BLUEI AG network	ASSIGNED PA	Mar 7, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.55.120/29	8	HORISEN-NETS	Horisen Communications GmbH	ASSIGNED PA	Feb 23, 2007	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.55.128/25	128	CH-GTT-INTERFACES-NETS	Customer P2P interface addresses in CH	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.56.160/28	16	CUSTOMERPON-287512-GTT	CustomerPON 287512	ASSIGNED PA	May 15, 2026	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.57.0/28	16	CORXWEAR-NETS	CorxWear LTD	ASSIGNED PA	Jun 25, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.57.16/29	8	ASCENT-MEDIA-GROUP-NETS	Ascent Media Group Limited	ASSIGNED PA	Jun 11, 2008	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.57.24/29	8	BVDEPMAN-NETS	Bureau Van Dijk Electronic Publishing	ASSIGNED PA	Jun 21, 2012	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.57.32/27	32	FRIENDS-AND-FAMILY-NETS	Friends and family network	ASSIGNED PA	Nov 24, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.57.96/27	32	ONLINE-PROMO-NETS	Online Promo	ASSIGNED PA	Aug 11, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.57.128/27	32	SWERFORD-HOLDINGS-NETS	Swerford Holdings Ltd	ASSIGNED PA	Jan 22, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.57.160/27	32	THE-MILL-NETS	The Mill	ASSIGNED PA	May 11, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.57.192/27	32	LYCATEL2-NETS	IP Voice Carrier	ASSIGNED PA	Feb 18, 2009	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.57.224/27	32	AZELIS-SERVICES-NETS	Azelis Corporate Services NV	ASSIGNED PA	Feb 16, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.59.0/27	32	TRUESEC-NETS	Truesec AB	ASSIGNED PA	Dec 14, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.59.32/28	16	NETGIRO-SYSTEMS-NETS	Netgiro Systems AB	ASSIGNED PA	Mar 5, 2009	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.59.48/29	8	SKANDIKON-NET4-NETS	Skandikon Administration AB	ASSIGNED PA	Oct 13, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.59.56/29	8	SKANDIKON-NET4-NETS	Skandikon Administration AB	ASSIGNED PA	Oct 21, 2011	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.59.64/26	64	GTT-SERVICES-NETS	GTT Services Networks (NL)	ASSIGNED PA	Oct 30, 2003	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.59.128/25	128	NL-GTT-INTERFACES-NETS	Customer P2P interface addresses in NL	ASSIGNED PA	Feb 3, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.60.0/26	64	WESSANEN-NETS	WESSANEN- Multinational Food corp	ASSIGNED PA	Dec 2, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.60.64/28	16	KLEENANDTIDY-NETS	Kleen & Tydy	ASSIGNED PA	Jun 25, 2006	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.60.96/27	32	PERENCO-NETS	Perenco S.A.	ASSIGNED PA	May 11, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.60.128/25	128	GTT-HOSTING-NETS	GTT	ASSIGNED PA	Feb 6, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.61.0/25	128	SONY-UK-HOSTING-SERVICES	Sony UK hosting services	ASSIGNED PA	Jan 9, 2004	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.61.128/29	8	UEFA-CH-NETS	UEFA	ASSIGNED PA	Oct 25, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.61.144/28	16	BAKKER-HILLEGOM-NETS	Bakker Hillegom B.V.	ASSIGNED PA	Oct 7, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.61.176/29	8	REDEVCO-NETS	Redevco Europe Services B.V.	ASSIGNED PA	Apr 16, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.61.184/29	8	EXERERION-NETS	Exerion customer network	ASSIGNED PA	Sep 12, 2005	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.61.208/28	16	HELIOS-MPPD-NETS	Helios MPPD BV d/b/a deSter	ASSIGNED PA	Mar 20, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.61.224/28	16	GTT-VIDEO-NETS	GTT	ASSIGNED PA	May 31, 2014	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.0/26	64	STREAMSERVE-NETS	Streamserve AB	ASSIGNED PA	May 13, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.64/28	16	ROPLAN-NETS	unknown	ASSIGNED PA	Oct 7, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.80/29	8	CAMERON-FRANCE-INVESTISSEMENT-NETS	Cameron France Investissement	ASSIGNED PA	Oct 19, 2015	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.96/27	32	DEN-HARTOGH-NETS	Den Hartogh Liquid Logistics BV	ASSIGNED PA	Oct 7, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.128/28	16	UEFA-NL-NETS	UEFA Media Technologies SA	ASSIGNED PA	Oct 25, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.144/29	8	UEFA-CH-NETS	UEFA	ASSIGNED PA	Oct 27, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.160/27	32	MOELNLYCKE-NETS	Moelnlycke Health Care AB	ASSIGNED PA	Nov 15, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.192/28	16	PHOTOWAYS-NETS	Photoways Network	ASSIGNED PA	Nov 23, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.208/29	8	UNISYS-CORP-NETS	Unisys Corp	ASSIGNED PA	Sep 13, 2016	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304
└ 212.23.62.240/28	16	CAMERAMANAGER-NETS	Cameramanager.com B.V.	ASSIGNED PA	Dec 21, 2010	abuse@gtt.net via US-GTTCOMMUNICATIONS-19990304

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	4,696	57%	44
Business	3,072	38%	121
Unknown	256	3.1%	1
Hosting	168	2.1%	3

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

212.23.32.0/19

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