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Data as of Nov 9, 2026

66.17.172.0/23

Anonymizer · ISP proxy

Charter Communications Inc · space held by GTT Americas, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS20001
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Nov 18, 2002 · reallocated to IPNetZone Feb 26, 2026
2 · Leased from
IPNetZone
for its owner GTT Americas, LLC
3 · Announced by
AS20001 Charter Communications Inc
since Mar 2026 · 8 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 66.17.172.0/23/24s
IPNetZone
512100%
2
Leased from

Owners leasing their own space

NameIn 66.17.172.0/23/24s
GTT Americas, LLC
512100%
2

Lineage

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

66.17.172.0/23

From the registry to its use

  1. Nov 18, 2002
    Registry record
    GTT Americas, LLC
    Direct Allocation
    66.17.128.0/17
  2. May 9, 2005– Jun 29, 2018
    Announced
    AS6517 LAKENETWORKS
    as part of 66.17.128.0/17
    66.17.128.0/17
  3. May 9, 2005– Jan 15, 2007
    Announced
    AS6517 LAKENETWORKS
    Hosting
  4. Jan 22, 2007– May 15, 2009
    Announced
    AS25741 JAB Wireless, INC.
  5. Oct 1, 2009– Aug 8, 2011
    Announced
    AS6517 LAKENETWORKS
    Hosting
  6. Aug 15, 2011– Dec 15, 2011
    Announced
    AS30495 MTS
    Business
  7. Dec 22, 2011– Jun 10, 2017
    Announced
    AS6517 LAKENETWORKS
    Hosting
  8. Jun 18, 2018– Nov 8, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 66.17.128.0/17
    66.17.128.0/17
  9. Feb 26, 2026
    Reallocated
    IPNetZone
    Reallocated
    66.17.172.0/23
  10. Mar 5, 2026
    Route object
    AS20001 Charter Communications Inc
    ARIN route object for AS20001 Charter Communications Inc, maintainer MNT-GAL-104
  11. Mar 8, 2026– Nov 8, 2026
    Announced
    AS20001 Charter Communications Inc
    Internet provider
  12. today
    Leased from
    IPNetZone
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.17.128.0/17
since Jun 2018
AS3257Internet provider9GTT 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
66.17.128.0/1732,768RGS-BLK6GTT Americas, LLC (GAL-104) · USDirect AllocationNov 18, 2002abuse@gtt.net
└ 66.17.172.0/23512GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 25, 2026ipabuse@unsi.net
└ 66.17.172.0/23512GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 26, 2026ipabuse@unsi.net

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT Americas, LLC
Handle
GAL-104
Range
66.17.128.0/17
Registration type
Direct Allocation
Record created
Nov 18, 2002
Reallocated to
IPNetZone (IPNET-1)
Reallocated range
66.17.172.0/23
Reallocated
Feb 26, 2026
Origin network

AS20001

US
Name
Charter Communications Inc
Type
Internet provider
Registered
Mar 13, 2001
Domain
charter.com
Website
www.spectrum.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed