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Data as of Nov 7, 2026

194.77.56.0/21

768 anonymizer addresses · 38% · ISP proxy

GTT Communications Inc.

Announcement
this exact prefix
No RPKI
Announced by
AS3257
Type
Internet provider
63% of it
IPv4 market

Path

1 · Holder
GTT Communications Inc.
record created Mar 31, 2021
2 · Leased from
IPXO
3 · Announced by
AS3257 GTT Communications Inc.
since Oct 2023 · 3.1 yr ago
4 · Use
Internet provider
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 194.77.56.0/21/24s
IPXO
76838%
3

Lineage

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

194.77.56.0/21

From the registry to its use

  1. Jun 11, 2017– Oct 13, 2023
    Announced
    AS5669 GTT Americas, LLC
  2. Mar 31, 2021
    Registry record
    GTT Communications Inc.
    ALLOCATED PA
    194.77.56.0 - 194.77.64.255
  3. Sep 29, 2023
    Route object
    AS3257 GTT Communications Inc.
    RIPE route object for AS3257 GTT Communications Inc., maintainer AS3257-ROUTE-MNT
  4. Oct 2, 2023– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  5. Apr 29, 2026
    Route object
    AS3257 GTT Communications Inc.
    RIPE route object for AS3257 GTT Communications Inc., maintainer AS3257-ROUTE-MNT
    194.77.56.0/22
  6. Apr 29, 2026
    Route object
    AS3257 GTT Communications Inc.
    RIPE route object for AS3257 GTT Communications Inc., maintainer AS3257-ROUTE-MNT
    194.77.60.0/23
  7. Apr 29, 2026
    Route object
    AS3257 GTT Communications Inc.
    RIPE route object for AS3257 GTT Communications Inc., maintainer AS3257-ROUTE-MNT
    194.77.62.0/24
  8. Jun 23, 2026
    Route object
    IPXO
    RADB route object for AS49453 Global Layer B.V., maintainer MAINT-AS834
    194.77.60.0/23
  9. Jun 24, 2026
    Route object
    IPXO
    RIPE route object for AS49453 Global Layer B.V., maintainer NETUTILS-MNT
    194.77.60.0/24
  10. Jun 24, 2026
    Route object
    IPXO
    RIPE route object for AS49453 Global Layer B.V., maintainer NETUTILS-MNT
    194.77.61.0/24
  11. Aug 18, 2026
    Route object
    IPXO
    RADB route object for AS834 IPXO LLC, maintainer MAINT-AS834
    194.77.56.0/22
  12. Oct 25, 2026
    Route object
    IPXO
    RADB route object for AS834 IPXO LLC, maintainer MAINT-AS834
    194.77.62.0/24
  13. today
    Leased from
    IPXO
    IP broker

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
194.77.56.0 - 194.77.64.2552,304US-GTTCOMMUNICATIONS-19951016GTT Communications Inc. (ORG-GCI2-RIPE) · USALLOCATED PAMar 31, 2021abuse@gtt.net
└ 194.77.56.0/221,024IPXO-GTTInternet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GBSUB-ALLOCATED PAApr 29, 2026report@abuseradar.com
└ 194.77.60.0/23512IPXO-GTTunknownSUB-ALLOCATED PAApr 29, 2026report@abuseradar.com
└ 194.77.62.0/24256NET-194-77-62-0-24unknownSUB-ALLOCATED PAApr 29, 2026report@abuseradar.com
└ 194.77.63.144/2816TARA-GTTTARA SystemsASSIGNED PAMay 19, 2021abuse@gtt.net
via US-GTTCOMMUNICATIONS-19951016

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

2,048 addresses
TypeAddressesShareRanges
Internet provider1,28063%2
ISP proxyanonymizer76838%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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
244