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Data as of Nov 10, 2026

195.21.136.0/22

No anonymizer space · no proxy exits in 30 days

GTT Communications Inc.

Announcement
195.21.128.0/17
No RPKI
Announced by
AS3257
Type
Internet provider
89% of it
IPv4 market

Path

1 · Holder
GTT Communications Inc.
record created Mar 22, 2021
2 · Leased from
IPXO
3 · Announced by
AS3257 GTT Communications Inc.
since Apr 2019 · 7.6 yr ago
4 · Use
Internet provider

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
195.21.0.0/1665,536US-GTTCOMMUNICATIONS-19961101GTT Communications Inc. (ORG-GCI2-RIPE) · USALLOCATED PAMar 22, 2021abuse@gtt.net
└ 195.21.136.0/221,024NYC-VDC-ZONENYC VDC IpacLIR-PARTITIONED PAApr 11, 2016abuse@gtt.net
via US-GTTCOMMUNICATIONS-19961101
└ 195.21.136.0/298FABIO-PRINA-VDC-NETSPrinaASSIGNED PAJul 22, 2016abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.136.176/298GTT-HOSTING-NETSGTTASSIGNED PAOct 3, 2016abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.136.208/298Network-Public-Direct-Connect-TVH-Group-NVEDGE-1-1-NETSTVH Group NV-EDGEASSIGNED PAMar 6, 2018abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.137.32/298SEA-HYPER-LLC-NETSSea Hyper LLCASSIGNED PAJul 26, 2016abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.137.64/298SEASHELL-GTTSeashell Bidco S.L.UASSIGNED PAApr 23, 2016abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.137.128/298ORBTALK-LTD-NETSOrbtalk LtdASSIGNED PAJul 28, 2016abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.137.208/298GTT-SPEEDTEST-NETSunknownASSIGNED PAFeb 10, 2017abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.137.224/298GREINER-HOLDING-NETSGreiner Holding AGASSIGNED PAAug 19, 2016abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.138.64/2816NETWORK-PUBLIC-DIRECT-GARD-AS-NETSGTT / Gard ASASSIGNED PAJul 26, 2016abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.138.152/298TEK-EXPERTS-NETSTEK Experts EOODASSIGNED PASep 25, 2017abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.139.0/2816SDB-INFORMATION-TECHNOLOGY-NETSSDB Information Technology SrlASSIGNED PAJul 29, 2016abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.139.176/2816SIBELKO-NV-NETSunknownASSIGNED PAApr 13, 2018abuse@gtt.net
via NYC-VDC-ZONE
└ 195.21.139.232/298VDCUSEREUROANDUSA-NETSunknownASSIGNED PAJan 10, 2018abuse@gtt.net
via NYC-VDC-ZONE

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

1,024 addresses
TypeAddressesShareRanges
Internet provider91289%11
Business10410%10
Hosting80.78%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 195.21.128.0/17

Prefix
195.21.128.0/17
Announced by
AS3257 GTT Communications Inc.
Type
Internet provider
Leased from
IP broker IPXO (part)
Proxy exits
64
RPKI
No RPKI
Netname
US-GTTCOMMUNICATIONS-19961101
Registrant
GTT Communications Inc.
RIR
RIPE NCC
Origin network

AS3257

US
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
239