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Data as of Nov 8, 2026

204.147.224.0/20

2,048 anonymizer addresses · 50%

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

Announcement
this exact prefix
No RPKI
Announced by
AS3257
Type
Internet provider
50% of it
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Jan 17, 1995
2 · Leased from
GTT Americas, LLC
its owner, directly
3 · Announced by
AS3257 GTT Communications Inc.
since Jan 2024 · 2.8 yr ago
4 · Use
Internet provider
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 204.147.224.0/20/24s
GTT Americas, LLC
2,04850%
8

Lineage

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

204.147.224.0/20

From the registry to its use

  1. Jan 17, 1995
    Registry record
    GTT Americas, LLC
    Direct Allocation (legacy, pre-1997)
    204.147.224.0/20
  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. 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

PrefixOriginTypeHolderRPKI
204.147.224.0/22
since Jan 2025
AS199527ISP proxyGTT Americas, LLC
204.147.232.0/22
since Dec 2025
AS399461Datacenter proxyGTT Americas, 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
204.147.224.0/204,096MEGAPATH-BLK-26GTT Americas, LLC (GAL-104) · USDirect AllocationJan 17, 1995abuse@gtt.net
└ 204.147.224.0/221,024BITE-GTTBITE (C11029182) · LTReassignedNov 27, 2024abuse@gtt.net
via MEGAPATH-BLK-26
└ 204.147.228.0/221,024BITE-GTTunknown———
└ 204.147.232.0/221,024BITE-GTTBITE (C11029178) · JPReassignedNov 27, 2024abuse@gtt.net
via MEGAPATH-BLK-26
└ 204.147.236.0/221,024BITE-GTTunknown———

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

4,096 addresses
TypeAddressesShareRanges
Internet provider2,04850%2
Datacenter proxyanonymizer1,02425%1
ISP proxyanonymizer1,02425%1

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