Data as of Nov 3, 2026

172.121.232.0/24

Anonymizer · ISP proxy

GTT Communications Inc. · space held by EGIHosting

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Jun 23, 2015
2 · Leased from
its owner, directly
3 · Announced by
AS3257 GTT Communications Inc.
since Sep 2021 · 5.1 yr ago
4 · Use
Proxy providersnamed Oxylabs
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 172.121.232.0/24/24s
OxylabsTesonet
256100%
1
Leased from

Owners leasing their own space

NameIn 172.121.232.0/24/24s
EGIHosting
256100%
1

Lineage

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

172.121.232.0/24

From the registry to its use

  1. Jun 23, 2015
    Registry record
    EGIHosting
    Direct Allocation
    172.120.0.0/15
  2. Dec 28, 2020– Sep 17, 2021
    Announced
    AS1239 Cogent Communications, LLC
  3. Sep 29, 2021
    Route object
    AS3257 GTT Communications Inc.
    RADB route object for AS3257 GTT Communications Inc., maintainer MAINT-AS18779
  4. Sep 30, 2021– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  5. today
    Leased from
    EGIHosting
    Lessor
  6. today
    Used
    Oxylabs
    Proxy seller

Network & registry

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