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Data as of Nov 3, 2026

185.3.72.0/22

256 anonymizer addresses · 25% · Datacenter proxy

GTT Communications Inc. · space held by GTT - EMEA Ltd.

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

Path

1 · Holder
GTT - EMEA Ltd.
record created Sep 20, 2012
2 · Leased from
IPXO
for its owner GTT - EMEA Ltd.
3 · Announced by
AS3257 GTT Communications Inc.
since Feb 2023 · 3.7 yr ago
4 · Use
Internet provider
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 185.3.72.0/22/24s
IPXO
25625%
1
Leased from

Owners leasing their own space

NameIn 185.3.72.0/22/24s
GTT - EMEA Ltd.
25625%
1

Lineage

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

185.3.72.0/22

From the registry to its use

  1. Sep 20, 2012
    Registry record
    GTT - EMEA Ltd.
    ALLOCATED PA
    185.3.72.0/22
  2. Sep 26, 2012
    Route object
    AS8190 GTT Americas, LLC
    RIPE route object for AS8190 GTT Americas, LLC, maintainer AS8190-MNT
  3. Apr 1, 2013– Feb 15, 2023
    Announced
    AS8190 GTT Americas, LLC
    Internet provider
  4. Feb 4, 2023– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  5. Feb 13, 2023
    Route object
    AS3257 GTT Communications Inc.
    RIPE route object for AS3257 GTT Communications Inc., maintainer AS3257-ROUTE-MNT

Announcements

More specific

Announcements inside

PrefixOriginTypeLeased fromHolderRPKI
185.3.73.0/24
since Aug 2026
AS16276Datacenter proxyIP broker IPXOGTT - EMEA Ltd.
185.3.74.0/24
since Sep 2026
AS40676HostingIP broker IPXOGTT - EMEA Ltd.

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
185.3.72.0/221,024UK-EASYNET-20120920GTT - EMEA Ltd. (ORG-EA49-RIPE) · GBALLOCATED PASep 20, 2012[email protected]
└ 185.3.73.0/24256NET-185-3-73-0-24unknownSUB-ALLOCATED PAApr 29, 2026[email protected]
└ 185.3.74.0/24256NET-185-3-74-0-24unknownSUB-ALLOCATED PAApr 29, 2026[email protected]

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 provider51250%2
Datacenter proxyanonymizer25625%1
Hosting25625%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