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Data as of Nov 7, 2026

66.17.72.0/21

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 Nov 22, 2002 · 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 66.17.72.0/21/24s
Bright Data
2,048100%
8
Leased from

Owners leasing their own space

NameIn 66.17.72.0/21/24s
GTT Americas, LLC
2,048100%
8

Lineage

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

66.17.72.0/21

From the registry to its use

  1. Nov 22, 2002
    Registry record
    GTT Americas, LLC
    Direct Allocation
    66.17.64.0/20
  2. Nov 7, 2025
    Reallocated
    IPNetZone
    Reallocated
    66.17.72.0/21
  3. Nov 25, 2025
    Route object
    AS3320 Deutsche Telekom AG
    ARIN route object for AS3320 Deutsche Telekom AG, maintainer MNT-GAL-104
  4. Nov 25, 2025
    Route object
    AS6079 RCN
    ARIN route object for AS6079 RCN, maintainer MNT-GAL-104
  5. Nov 25, 2025
    Route object
    AS6762 TELECOM ITALIA SPARKLE S.p.A.
    ARIN route object for AS6762 TELECOM ITALIA SPARKLE S.p.A., maintainer MNT-GAL-104
  6. Nov 25, 2025
    Route object
    AS7029 Windstream Communications LLC
    ARIN route object for AS7029 Windstream Communications LLC, maintainer MNT-GAL-104
  7. Nov 25, 2025
    Route object
    AS8881 1&1 Versatel GmbH
    ARIN route object for AS8881 1&1 Versatel GmbH, maintainer MNT-GAL-104
  8. Nov 25, 2025
    Route object
    AS11404 Wave Broadband
    ARIN route object for AS11404 Wave Broadband, maintainer MNT-GAL-104
  9. Nov 25, 2025
    Route object
    AS20115 Charter Communications LLC
    ARIN route object for AS20115 Charter Communications LLC, maintainer MNT-GAL-104
  10. Nov 25, 2025
    Route object
    AS211936 Rackdog, LLC
    ARIN route object for AS211936 Rackdog, LLC, maintainer MNT-GAL-104
  11. Nov 25, 2025
    Route object
    AS398465 Rackdog, LLC
    ARIN route object for AS398465 Rackdog, LLC, maintainer MNT-GAL-104
  12. Nov 27, 2025
    Route object
    AS4637 Telstra Global
    ARIN route object for AS4637 Telstra Global, maintainer MNT-GAL-104
  13. Dec 14, 2025– today
    Announced
    AS4637 Telstra Global
    Internet provider
  14. today
    Leased from
    IPNetZone
    IP broker
  15. today
    Used
    Bright Data
    Proxy seller

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
66.17.64.0/204,096MEGAPATH-BLK-52GTT Americas, LLC (GAL-104) · USDirect AllocationNov 22, 2002abuse@gtt.net
└ 66.17.72.0/212,048GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedNov 7, 2025ipabuse@unsi.net

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT Americas, LLC
Handle
GAL-104
Range
66.17.64.0/20
Registration type
Direct Allocation
Record created
Nov 22, 2002
Reallocated to
IPNetZone (IPNET-1)
Reallocated range
66.17.72.0/21
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