Data as of Nov 14, 2026

64.50.192.0/19

5,120 anonymizer addresses · 63% · ISP proxy

GTT Communications Inc. · space held by GTT Americas, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
63% of it
IPv4 market

Path

1 · Holder
record created Mar 14, 2000
2 · Leased from
for its owner GTT Americas, LLC
3 · Announced by
AS3257 GTT Communications Inc.
since Jan 2024 · 2.8 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 64.50.192.0/19/24s
Rackdog
5,12063%
20
Leased from

Owners leasing their own space

NameIn 64.50.192.0/19/24s
GTT Americas, LLC
5,12063%
20

Lineage

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

64.50.192.0/19

From the registry to its use

  1. Mar 14, 2000
    Registry record
    GTT Americas, LLC
    Direct Allocation
    64.50.192.0/19
  2. May 9, 2005– Nov 9, 2007
    Announced
    AS7455 Motorists Mutual Insurance Company
    Business
  3. Nov 15, 2007– Jan 29, 2024
    Announced
    AS4565 GTT Americas, LLC
    Internet provider
  4. Jan 18, 2024– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  5. Apr 11, 2025
    Route object
    AS3257 GTT Communications Inc.
    RADB route object for AS3257 GTT Communications Inc., maintainer MAINT-AS3257
  6. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    64.50.192.0/22
  7. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    64.50.196.0/22
  8. May 7, 2025
    Route object
    AS3257 GTT Communications Inc.
    ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-GAL-104

Announcements

More specific

Announcements inside

PrefixOriginTypeLeased fromHolderRPKI
64.50.200.0/22
since Dec 2024
AS137409HostingGTT Americas, LLC
64.50.204.0/22
since May 2025
AS7029ISP proxyIP broker RackdogGTT Americas, LLC
via Northern Cable and Fiber, LLC
64.50.208.0/20
since Apr 2025
AS7029ISP proxyIP broker RackdogGTT Americas, LLC
via Northern Cable and Fiber, LLC

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
64.50.192.0/198,192MEGAPATH-BLK-14GTT Americas, LLC (GAL-104) · USDirect AllocationMar 14, 2000abuse@gtt.net
└ 64.50.192.0/221,024BITE-GTTunknown———
└ 64.50.196.0/221,024BITE-GTTunknown———
└ 64.50.200.0/221,024BITE-GTTBITE (C11037416) · LTReassignedDec 6, 2024abuse@gtt.net
via MEGAPATH-BLK-14
└ 64.50.204.0/221,024RACKDOG-GTTRackdog, LLC (RL-859) · USReallocatedApr 25, 2025contact@rackdog.com
└ 64.50.204.0/221,024NORTHERN-CABLENorthern Cable and Fiber, LLC (NCFL-7) · USReallocatedMay 13, 2025abuse@northerncablefiber.com
└ 64.50.204.0/221,024WINDSTREAMSparkplug Southwest LLC (C11341808) · USReassignedSep 4, 2025abuse@northerncablefiber.com
via RACKDOG-GTT
└ 64.50.208.0/204,096RACKDOG-GTTRackdog, LLC (RL-859) · USReallocatedApr 25, 2025contact@rackdog.com
└ 64.50.208.0/204,096NORTHERNNorthern Cable and Fiber, LLC (NCFL-7) · USReallocatedApr 25, 2025abuse@northerncablefiber.com

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
TypeAddressesShareRanges
ISP proxyanonymizer5,12063%2
Internet provider2,04825%1
Hosting1,02413%1

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
May 2005
Current origin since
Jan 2024 · 2.8 yr
Origin networks
3
Last change of origin
Jan 2024
Recorded history

History

Handoffs
2