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Data as of Nov 3, 2026

72.245.96.0/19

Anonymizer · ISP proxy

Charter Communications Inc · space held by GTT Americas, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS11427
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Mar 22, 2005 · reallocated to IPNetZone Dec 21, 2025
2 · Leased from
IPNetZone
for its owner GTT Americas, LLC
3 · Announced by
AS11427 Charter Communications Inc
since Jan 2026 · 9 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 72.245.96.0/19/24s
IPNetZone
8,192100%
32
Leased from

Owners leasing their own space

NameIn 72.245.96.0/19/24s
GTT Americas, LLC
8,192100%
32

Lineage

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

72.245.96.0/19

From the registry to its use

  1. Mar 22, 2005
    Registry record
    GTT Americas, LLC
    Direct Allocation
    72.244.0.0/15
  2. Sep 22, 2005– May 15, 2022
    Announced
    AS18566 GTT Americas, LLC
    as part of 72.244.0.0/15
    72.244.0.0/15
  3. Apr 29, 2023– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 72.244.0.0/15
    72.244.0.0/15
  4. Dec 21, 2025
    Reallocated
    IPNetZone
    Reallocated
    72.245.96.0/19
  5. Dec 21, 2025
    Route object
    AS11427 Charter Communications Inc
    ARIN route object for AS11427 Charter Communications Inc, maintainer MNT-GAL-104
  6. Dec 21, 2025
    Route object
    AS20001 Charter Communications Inc
    ARIN route object for AS20001 Charter Communications Inc, maintainer MNT-GAL-104
  7. Jan 31, 2026– Nov 2, 2026
    Announced
    AS11427 Charter Communications Inc
    Internet provider
  8. today
    Leased from
    IPNetZone
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
72.244.0.0/15
since Apr 2023
AS3257Internet providerIP broker IPXO (part)428
76 always on
GTT 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
72.244.0.0/15131,072MEGAPATH-BLK-63GTT Americas, LLC (GAL-104) · USDirect AllocationMar 22, 2005[email protected]
└ 72.245.96.0/198,192GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedDec 21, 2025[email protected]
└ 72.245.96.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026[email protected]
└ 72.245.112.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT Americas, LLC
Handle
GAL-104
Range
72.244.0.0/15
Registration type
Direct Allocation
Record created
Mar 22, 2005
Reallocated to
IPNetZone (IPNET-1)
Reallocated range
72.245.96.0/19
Reallocated
Dec 21, 2025
Origin network

AS11427

US
Name
Charter Communications Inc
Type
Internet provider
Registered
Jun 9, 2000
Domain
charter.com
Website
www.spectrum.com/
Industry
Media, Publishing, and Broadcasting
Spamhaus ASN-DROP
not listed