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Data as of Nov 8, 2026

135.196.56.0/21

Anonymizer · ISP proxy5 residential-proxy exits · 30 days

GTT Communications Inc.

Announcement
this exact prefix
RPKI invalid (origin)
Announced by
AS3257
Type
ISP proxy
Risk
90 / 100 · Critical

Residential-proxy exits

Proxy exits
5
0.24% of its addresses · 30 days
Always-on exits
1
20% of its exits
Spread
5 of 8
/24s with at least one exit
Providers
19
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

924 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
135.196.58.0/2411
135.196.57.0/2401
135.196.60.0/2401
135.196.62.0/2401
135.196.63.0/2401

Proxy providers listing exits

  • ByteProxies
  • Byteful
  • CliProxy
  • Decodo
  • EnigmaProxy
  • FastProxy
  • GloryCloud
  • IPFly
  • LudaxProxy
  • NovaProxy
  • Oxylabs
  • Proxiware
  • ProxyEmpire
  • PuraRoute
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • VantageProxies
  • WealthProxies
  • ZENPROXY_LITE
IPv4 market

Path

1 · Holder
GTT Communications Inc.
record created Mar 17, 2004
2 · Leased from
not leased
3 · Announced by
AS3257 GTT Communications Inc.
4 · Use
Proxy providersnamed Oxylabs
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 135.196.56.0/21/24s
OxylabsTesonet
2,048100%
8

Lineage

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

135.196.56.0/21

From the registry to its use

  1. Mar 17, 2004
    Registry record
    GTT Communications Inc.
    LEGACY
    135.196.0.0/16
  2. May 9, 2005– Mar 23, 2023
    Announced
    AS8190 GTT Americas, LLC
    as part of 135.196.0.0/16
    135.196.0.0/16
  3. Mar 12, 2023– today
    Announced
    AS3257 GTT Communications Inc.
    as part of 135.196.0.0/16
    135.196.0.0/16
  4. Sep 18, 2026– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  5. today
    Used
    Oxylabs
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
135.196.0.0/16
since Mar 2023
AS3257Internet provider28
5 always on
GTT Communications Inc.

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
135.196.0.0/1665,536UK-EASYNET-20000915GTT Communications Inc. (ORG-GCI2-RIPE) · USLEGACYMar 17, 2004abuse@gtt.net
└ 135.196.48.0/204,096LT-20080305-GTTunknownLEGACYMay 23, 2025abuse@gtt.net
via UK-EASYNET-20000915

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 Communications Inc.
Handle
ORG-GCI2-RIPE
Range
135.196.0.0/16
Registration type
LEGACY
Record created
Mar 17, 2004
Legacy
yes
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