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Data as of Nov 8, 2026

66.17.64.0/21

Anonymizer · ISP proxy3 residential-proxy exits · 30 days

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

Announcement
this exact prefix
RPKI valid
Announced by
AS3257
Type
ISP proxy
Risk
90 / 100 · Critical

Residential-proxy exits

Proxy exits
3
0.15% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
13
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

48 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
66.17.66.0/2402
66.17.71.0/2401

Proxy providers listing exits

  • BirdProxies
  • Byteful
  • EnigmaProxy
  • GSocks
  • IPFly
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • VantageProxies
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Nov 22, 2002 · reallocated to Arisk Communications inc. Nov 7, 2025
2 · Leased from
ARISK
3 · Announced by
AS3257 GTT Communications Inc.
since Nov 2025 · 12 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 66.17.64.0/21/24s
ARISK
2,048100%
8

Lineage

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

66.17.64.0/21

From the registry to its use

  1. Nov 22, 2002
    Registry record
    GTT Americas, LLC
    Direct Allocation
    66.17.64.0/20
  2. Nov 7, 2025
    Reallocated
    Arisk Communications inc.
    Reallocated
    66.17.64.0/21
  3. Nov 7, 2025
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-GAL-104
  4. Nov 8, 2025– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  5. Nov 13, 2025
    Route object
    AS3257 GTT Communications Inc.
    ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-GAL-104
  6. today
    Leased from
    ARISK
    IP broker

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
66.17.64.0/204,096MEGAPATH-BLK-52GTT Americas, LLC (GAL-104) · USDirect AllocationNov 22, 2002abuse@gtt.net
└ 66.17.64.0/212,048ARISK-GTTArisk Communications inc. (AC-5396) · USReallocatedNov 7, 2025support@ariskisp.com
└ 66.17.64.0/212,048GTTunknownReassignedJan 11, 2026support@ariskisp.com
via ARISK-GTT

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
IPv4 market

Holder

Holder in the market →
Organization
GTT Americas, LLC
Handle
GAL-104
Range
66.17.64.0/20
Registration type
Direct Allocation
Record created
Nov 22, 2002
Reallocated to
Arisk Communications inc. (AC-5396)
Reallocated range
66.17.64.0/21
Reallocated
Nov 7, 2025
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