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Data as of Nov 6, 2026

74.211.128.0/17

15,104 anonymizer addresses · 46% · ISP proxy2 residential-proxy exits · 30 days

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

Announcement
this exact prefix
No RPKI
Announced by
AS3257
Type
Unknown
50% of it

Residential-proxy exits

Proxy exits
2
<0.01% of its addresses · 30 days
Spread
2 of 128
/24s with at least one exit
Providers
2
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

2 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
74.211.143.0/2401
74.211.169.0/2401

Proxy providers listing exits

  • GSocks
  • Proxyma
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Jan 9, 2007
2 · Leased from
IPNetZone, ARISK
for its owner GTT Americas, LLC
3 · Announced by
AS3257 GTT Communications Inc.
since Apr 2023 · 3.5 yr ago
4 · Use
Unknown
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 74.211.128.0/17/24s
IPNetZone
14,33644%
56
ARISK
7682.3%
3
Leased from

Owners leasing their own space

NameIn 74.211.128.0/17/24s
GTT Americas, LLC
15,10446%
59

Lineage

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

74.211.128.0/17

From the registry to its use

  1. Jan 9, 2007
    Registry record
    GTT Americas, LLC
    Direct Allocation
    74.211.128.0/17
  2. Aug 8, 2007– Jun 8, 2016
    Announced
    AS23504 GTT Americas, LLC
  3. Jun 15, 2016– May 15, 2022
    Announced
    AS18566 GTT Americas, LLC
  4. Apr 29, 2023– 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

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
74.211.128.0/18
since Jan 2026
AS20001UnknownIP broker IPNetZone2GTT Americas, LLC
via IPNetZone
74.211.192.0/19
since Jan 2026
AS20001ISP proxyIP broker IPNetZoneGTT Americas, LLC
via IPNetZone
74.211.224.0/21
since Jan 2026
AS20001ISP proxyIP broker IPNetZoneGTT Americas, LLC
via RCN
74.211.232.0/24
since Jun 2026
AS32043ISP proxyIP broker ARISKGTT Americas, LLC
via Arisk Communications inc.
74.211.233.0/24
since Oct 2025
AS401783ISP proxyIP broker ARISKGTT Americas, LLC
via Arisk Communications inc.
74.211.234.0/24
since Oct 2025
AS2914ISP proxyIP broker ARISKGTT Americas, LLC
via Arisk Communications inc.
74.211.236.0/22
since Nov 2025
AS9009HostingGTT Americas, LLC
74.211.240.0/20
since Jan 2026
AS20001ISP proxyIP broker IPNetZoneGTT Americas, LLC
via RCN

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
74.211.128.0/1732,768MEGAPATH-BLK-68GTT Americas, LLC (GAL-104) · USDirect AllocationJan 9, 2007abuse@gtt.net
└ 74.211.128.0/1816,384GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedDec 21, 2025ipabuse@unsi.net
└ 74.211.128.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com
└ 74.211.144.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com
└ 74.211.160.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com
└ 74.211.176.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com
└ 74.211.192.0/198,192GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedDec 21, 2025ipabuse@unsi.net
└ 74.211.192.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com
└ 74.211.208.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com
└ 74.211.224.0/212,048GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedDec 21, 2025ipabuse@unsi.net
└ 74.211.224.0/212,048RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com
└ 74.211.232.0/24256GTT-ARISK-NETArisk Communications inc. (AC-5396) · USReallocatedOct 27, 2025support@ariskisp.com
└ 74.211.232.0/24256GTTunknownReassignedJan 12, 2026support@ariskisp.com
via GTT-ARISK-NET
└ 74.211.233.0/24256GTT-ARISK-NETArisk Communications inc. (AC-5396) · USReallocatedOct 27, 2025support@ariskisp.com
└ 74.211.233.0/24256GTTunknownReassignedJan 12, 2026support@ariskisp.com
via GTT-ARISK-NET
└ 74.211.234.0/24256GTT-ARISK-NETArisk Communications inc. (AC-5396) · USReallocatedOct 27, 2025support@ariskisp.com
└ 74.211.234.0/24256GTTunknownReassignedJan 12, 2026support@ariskisp.com
via GTT-ARISK-NET
└ 74.211.235.0/24256SPEK-SEA5-74-211-235-0-24unknown———
└ 74.211.236.0/221,024RUTILANCE-GTTRutilance Networks (C11414626) · USReassignedNov 7, 2025abuse@gtt.net
via MEGAPATH-BLK-68
└ 74.211.240.0/204,096GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedDec 21, 2025ipabuse@unsi.net
└ 74.211.240.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com

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

32,768 addresses
TypeAddressesShareRanges
Unknown16,38450%1
ISP proxyanonymizer15,10446%6
Hosting1,0243.1%1
Internet provider2560.78%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