Data as of Nov 4, 2026

74.112.80.0/21

1,024 anonymizer addresses · 50% · ISP proxy

GTT Communications Inc. · space held by IPNetZone

Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
50% of it
IPv4 market

Path

1 · Holder
record created Apr 16, 2009
2 · Leased from
3 · Announced by
AS3257 GTT Communications Inc.
since Nov 2016 · 10.0 yr ago
4 · Use
Proxy providersnamed Wired ISP, Oxylabs
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentKindIn 74.112.80.0/21/24sRole
Wired ISPProxy operator
1,02450%
4
Runs it
OxylabsTesonetProxy seller
76838%
3
Sells it
Runs itSells it
Leased from

IP brokers

NameIn 74.112.80.0/21/24s
IPNetZone
1,02450%
4

Lineage

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

74.112.80.0/21

From the registry to its use

  1. Apr 16, 2009
    Registry record
    IPNetZone
    Direct Allocation
    74.112.80.0/21
  2. Sep 18, 2009
    Route object
    AS20077 IPNetZone
    ALTDB route object for AS20077 IPNetZone, maintainer MAINT-AS29791
  3. Nov 15, 2009– Nov 18, 2016
    Announced
    AS20077 IPNetZone
  4. Mar 7, 2011
    Route object
    AS20077 IPNetZone
    RADB route object for AS20077 IPNetZone, maintainer MAINT-AS3257
    74.112.85.0/24
  5. Nov 7, 2016– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  6. May 5, 2023
    Route object
    AS3257 GTT Communications Inc.
    ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-IPNET-1
  7. today
    Leased from
    IPNetZone
    IP broker
  8. today
    Used
    Wired ISP
    Proxy operator
  9. today
    Used
    Oxylabs
    Proxy seller

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorLeased fromHolderRPKI
74.112.80.0/22
since Nov 2025
AS20115ISP proxyProxy providersoperated by Wired ISPsold by OxylabsIP broker IPNetZoneIPNetZone
74.112.87.0/24
since Feb 2017
AS3356UnknownIP broker IPNetZoneIPNetZone

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
74.112.80.0/212,048IPNETZONE-2IPNetZone (IPNET-1) · USDirect AllocationApr 16, 2009[email protected]
└ 74.112.80.0/221,024WIRED-ISP-GTTWired ISP (C11200946) · USReassignedMay 13, 2025[email protected]
via IPNETZONE-2
└ 74.112.85.0/24256PHOENIXunknown———
└ 74.112.87.0/24256ANAHEIMQuick Chain Links (QUICK-65) · USReassignedDec 1, 2010—

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

2,048 addresses
TypeAddressesShareRanges
ISP proxyanonymizer1,02450%3
Unknown76838%3
Business25613%1

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