Data as of Nov 9, 2026

195.21.56.0/21

No anonymizer space · no proxy exits in 30 days

GTT Communications Inc.

Announcement

this exact prefix

No RPKI

Announced by

Type

Internet provider

98% of it

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder	RPKI
195.21.0.0/17 since Oct 2019	AS3257	Internet provider	67 4 always on	GTT Communications Inc.

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
195.21.0.0/16	65,536	US-GTTCOMMUNICATIONS-19961101	GTT Communications Inc. (ORG-GCI2-RIPE) · US	ALLOCATED PA	Mar 22, 2021	abuse@gtt.net
└ 195.21.58.8/29	8	NETWORK-PUBLIC-DIRECT-CONNECT-HAVAS-MEDIA-GROUP-SPAIN-SAHABAS-TURKEY-1-1-NETS	Havas Media Group Spain, S.A/Havas Turkey	ASSIGNED PA	Mar 6, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19961101
└ 195.21.58.48/29	8	VDC-DEMO-NETS	GTT VDC Demo	ASSIGNED PA	Jan 11, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19961101
└ 195.21.58.56/29	8	VDC-DEMO-NETS	GTT VDC Demo	ASSIGNED PA	Jan 11, 2018	abuse@gtt.net via US-GTTCOMMUNICATIONS-19961101
└ 195.21.58.112/29	8	Network-Public-Direct-Connect-GTT-Cloud-Management-1-20-NETS	GTT Edge Management	ASSIGNED PA	Apr 14, 2019	abuse@gtt.net via US-GTTCOMMUNICATIONS-19961101
└ 195.21.59.80/29	8	Network-Public-Direct-Connect-Azelis-Corporate-Services-NV-WAN-1-1-NETS	Azelis Corporate Services NV-WAN	ASSIGNED PA	Apr 14, 2019	abuse@gtt.net via US-GTTCOMMUNICATIONS-19961101

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

The types across the prefix's announced space, by addresses.

Announced space

Announced space

2,048 addresses

Type	Addresses	Share	Ranges
Internet provider	2,016	98%	4
Business	32	1.6%	4

Origin network