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Data as of Nov 3, 2026

66.167.12.0/23

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 Sep 10, 2001 · 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 66.167.12.0/23/24s
IPNetZone
512100%
2
Leased from

Owners leasing their own space

NameIn 66.167.12.0/23/24s
GTT Americas, LLC
512100%
2

Lineage

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

66.167.12.0/23

From the registry to its use

  1. Sep 10, 2001
    Registry record
    GTT Americas, LLC
    Direct Allocation
    66.166.0.0/15
  2. May 9, 2005– May 15, 2022
    Announced
    AS18566 GTT Americas, LLC
    as part of 66.166.0.0/15
    66.166.0.0/15
  3. May 9, 2005– Feb 22, 2024
    Announced
    AS18566 GTT Americas, LLC
  4. Apr 29, 2023– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 66.166.0.0/15
    66.166.0.0/15
  5. Sep 9, 2025– Mar 7, 2026
    Announced
    AS401951 SPDNet Corporation
  6. Feb 26, 2026
    Reallocated
    IPNetZone
    Reallocated
    66.167.12.0/23
  7. Mar 5, 2026
    Route object
    AS20001 Charter Communications Inc
    ARIN route object for AS20001 Charter Communications Inc, maintainer MNT-GAL-104
  8. Mar 8, 2026– Nov 2, 2026
    Announced
    AS20001 Charter Communications Inc
    Internet provider
  9. today
    Leased from
    IPNetZone
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.166.0.0/15
since Apr 2023
AS3257Internet provider3GTT 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
66.166.0.0/15131,072MEGAPATH-BLK-55GTT Americas, LLC (GAL-104) · USDirect AllocationSep 10, 2001[email protected]
└ 66.167.12.0/23512GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 25, 2026[email protected]
└ 66.167.12.0/23512GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 26, 2026[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT Americas, LLC
Handle
GAL-104
Range
66.166.0.0/15
Registration type
Direct Allocation
Record created
Sep 10, 2001
Reallocated to
IPNetZone (IPNET-1)
Reallocated range
66.167.12.0/23
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