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Data as of Nov 8, 2026

66.17.200.0/21

Anonymizer · ISP proxy

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

Announcement
66.17.128.0/17
No RPKI
Announced by
AS3257
Type
ISP proxy
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Nov 18, 2002
2 · Leased from
GTT Americas, LLC
its owner, directly
3 · Announced by
AS3257 GTT Communications Inc.
since Jun 2018 · 8.4 yr ago
4 · Use
Proxy providersnamed Ipway
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 66.17.200.0/21/24s
Ipway
2,048100%
8
Leased from

Owners leasing their own space

NameIn 66.17.200.0/21/24s
GTT Americas, LLC
2,048100%
8

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorHolderRPKI
66.17.200.0/22
since Dec 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.204.0/22
since Dec 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
66.17.128.0/1732,768RGS-BLK6GTT Americas, LLC (GAL-104) · USDirect AllocationNov 18, 2002abuse@gtt.net
└ 66.17.200.0/212,048BITE-HRS-GTTBite-HRS (C11090895) · USReassignedFeb 4, 2025abuse@gtt.net
via RGS-BLK6

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 66.17.128.0/17

Prefix
66.17.128.0/17
Announced by
AS3257 GTT Communications Inc.
Type
Internet provider
Anonymizer addresses
none
Proxy exits
9
RPKI
No RPKI
Netname
RGS-BLK6
Registrant
GTT Americas, LLC
RIR
ARIN
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