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Data as of Nov 3, 2026

74.3.0.0/19

Anonymizer · ISP proxy

Telstra Global · space held by GTT Americas, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS4637
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Dec 20, 2005 · reallocated to IPNetZone Nov 7, 2025
2 · Leased from
GTT Americas, LLC
its owner, directly
3 · Announced by
AS4637 Telstra Global
since Dec 2025 · 11 mo ago
4 · Use
Proxy providersnamed Bright Data
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 74.3.0.0/19/24s
Bright Data
8,192100%
32
Leased from

Owners leasing their own space

NameIn 74.3.0.0/19/24s
GTT Americas, LLC
8,192100%
32

Lineage

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

74.3.0.0/19

From the registry to its use

  1. Dec 20, 2005
    Registry record
    GTT Americas, LLC
    Direct Allocation
    74.0.0.0 - 74.3.127.255
  2. Jan 8, 2008– May 15, 2022
    Announced
    AS18566 GTT Americas, LLC
    as part of 74.3.0.0/17
    74.3.0.0/17
  3. Apr 29, 2023– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 74.3.0.0/17
    74.3.0.0/17
  4. Nov 7, 2025
    Reallocated
    IPNetZone
    Reallocated
    74.3.0.0/18
  5. Dec 14, 2025– Nov 2, 2026
    Announced
    AS4637 Telstra Global
    Internet provider
  6. today
    Leased from
    IPNetZone
    IP broker
  7. today
    Used
    Bright Data
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
74.3.0.0/17
since Apr 2023
AS3257Internet providerGTT Americas, LLC

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
74.0.0.0 - 74.3.127.255229,376MEGAPATH-BLK-64-65-66GTT Americas, LLC (GAL-104) · USDirect AllocationDec 20, 2005[email protected]
└ 74.3.0.0/1816,384GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedNov 7, 2025[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT Americas, LLC
Handle
GAL-104
Range
74.0.0.0 - 74.3.127.255
Registration type
Direct Allocation
Record created
Dec 20, 2005
Reallocated to
IPNetZone (IPNET-1)
Reallocated range
74.3.0.0/18
Reallocated
Nov 7, 2025
Origin network

AS4637

HK
Name
Telstra Global
Type
Internet provider
Registered
Oct 30, 1995
Domain
telstrainternational.com
Website
www.telstrainternational.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed