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Data as of Nov 4, 2026

212.100.176.0/20

1,792 anonymizer addresses · 44% · ISP proxy

GTT Communications Inc. · space held by GTT Communications Belgium N.V.

Announcement
212.100.160.0/19
RPKI valid
Announced by
AS3257
Type
ISP proxy
44% of it
IPv4 market

Path

1 · Holder
GTT Communications Belgium N.V.
record created Dec 17, 2001
2 · Leased from
IPXO
for its owner GTT Communications Belgium N.V.
3 · Announced by
AS3257 GTT Communications Inc.
since Oct 2021 · 5.0 yr ago
4 · Use
Proxy providersnamed Wired ISP
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 212.100.176.0/20/24s
Wired ISP
2566.3%
1
Leased from

IP brokers

NameIn 212.100.176.0/20/24s
IPXO
1,53638%
6
Leased from

Owners leasing their own space

NameIn 212.100.176.0/20/24s
GTT Communications Belgium N.V.
2566.3%
1

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorLeased fromHolderRPKI
212.100.178.0/24
since Sep 28, 2026
AS40244HostingIP broker IPXOGTT Communications Belgium N.V.
via Internet Utilities Europe and Asia Limited
212.100.184.0/24
since Sep 2025
AS210495UnknownIP broker IPXOGTT Communications Belgium N.V.
via GTT Communications Belgium N.V.
212.100.186.0/24
since Aug 2025
AS10111UnknownIP broker IPXOGTT Communications Belgium N.V.
via GTT Communications Belgium N.V.
212.100.187.0/24
since Aug 2025
AS135402ISP proxyProxy providersoperated by Wired ISPIP broker IPXOGTT Communications Belgium N.V.
via GTT Communications Belgium N.V.
212.100.188.0/24
since Jul 2025
AS214049UnknownIP broker IPXOGTT Communications Belgium N.V.
via GTT Communications Belgium N.V.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
212.100.160.0/198,192BE-EASYNET-19990712GTT Communications Belgium N.V. (ORG-EB1-RIPE) · BEALLOCATED PADec 17, 2001[email protected]
└ 212.100.176.0/204,096IPXO-GTTGTT Communications Belgium N.V. (ORG-EB1-RIPE) · BESUB-ALLOCATED PAMay 8, 2025[email protected]
└ 212.100.176.0/221,024Frontier-CommunicationsInternet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GBSUB-ALLOCATED PAJun 19, 2025[email protected]
└ 212.100.178.0/24256NET-212-100-178-0-24unknownASSIGNED PASep 25, 2026[email protected]
└ 212.100.180.0/221,024NET-212-100-180-0-22unknownASSIGNED PASep 28, 2025[email protected]
via IPXO-GTT
└ 212.100.184.0/24256NET-212-100-184-0-24Wenium Ltd (ORG-WL645-RIPE) · GBASSIGNED PASep 18, 2025[email protected]
└ 212.100.186.0/24256NET-212-100-186-0-24Heiyo Cloud Corp (ORG-HCC4-RIPE) · USASSIGNED PASep 3, 2025[email protected]
└ 212.100.187.0/24256NET-212-100-187-0-24unknownASSIGNED PASep 2, 2025[email protected]
└ 212.100.188.0/24256NET-212-100-188-0-24Netera LLC (ORG-NL659-RIPE) · GEASSIGNED PAJul 17, 2025[email protected]
└ 212.100.190.0/24256NET-212-100-190-0-24SkyQuantum Internet Service LLC (ORG-SISL22-RIPE) · USASSIGNED PADec 26, 2025[email protected]
└ 212.100.191.0/24256NET-212-100-191-0-24unknownASSIGNED PASep 27, 2026[email protected]
via IPXO-GTT

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
ISP proxyanonymizer1,79244%4
Unknown1,79244%6
Hosting51213%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 212.100.160.0/19

Prefix
212.100.160.0/19
Announced by
AS3257 GTT Communications Inc.
Type
Unknown
Anonymizer addresses
2,048 addresses · 25%ISP proxy
Leased from
IP broker IPXO
Proxy exits
1
RPKI
RPKI valid
Netname
BE-EASYNET-19990712
Registrant
GTT Communications Belgium N.V.
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
244