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Data as of Nov 4, 2026

144.229.96.0/20

Anonymizer · ISP proxy

Charter Communications LLC · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS20115
Type
ISP proxy
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Jan 11, 1991
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS20115 Charter Communications LLC
since Feb 2025 · 21 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 144.229.96.0/20/24s
Rackdog
4,096100%
16
Leased from

Owners leasing their own space

NameIn 144.229.96.0/20/24s
Cogent Communications, LLC
4,096100%
16

Lineage

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

144.229.96.0/20

From the registry to its use

  1. Jan 11, 1991
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    144.229.0.0/16
  2. Nov 1, 2024
    Route object
    Rackdog
    RADB route object for AS6079 RCN, maintainer MAINT-AS398465
  3. Nov 1, 2024– today
    Announced
    AS7029 Windstream Communications LLC
    as part of 144.229.96.0/19
    144.229.96.0/19
  4. Nov 1, 2024– Nov 12, 2024
    Announced
    AS6079 RCN
    Internet provider
  5. Dec 7, 2024– Feb 28, 2025
    Announced
    AS7843 Charter Communications Inc
    Internet provider
  6. Dec 18, 2024
    Route object
    Rackdog
    RADB route object for AS7843 Charter Communications Inc, maintainer MAINT-AS398465
  7. Feb 17, 2025– today
    Announced
    AS20115 Charter Communications LLC
    Internet provider
  8. Feb 25, 2025
    Route object
    Rackdog
    RADB route object for AS20115 Charter Communications LLC, maintainer MAINT-AS398465
  9. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
144.229.96.0/19
since Nov 2024
AS7029ISP proxyIP broker Rackdog1Cogent Communications, LLC
144.228.0.0/15
since Jun 2025
AS174Internet provider20,48016%ISP proxy13
1 always on
More specific

Announcements inside

PrefixOriginTypeLeased fromHolderRPKI
144.229.96.0/22
since Sep 28, 2026
AS22773ISP proxyIP broker RackdogCogent Communications, LLC
144.229.100.0/22
since Sep 28, 2026
AS7029ISP proxyIP broker RackdogCogent Communications, LLC
144.229.104.0/21
since Sep 28, 2026
AS7029ISP proxyIP broker RackdogCogent Communications, 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
144.229.0.0/1665,536COGENT-144-229-0Cogent Communications, LLC (COGC) · USDirect AllocationJan 11, 1991[email protected]
└ 144.229.0.0/1665,536RACKDOG-CGNT-NET-6RCN (C11605103) · USReassignedMay 27, 2026[email protected]
via COGENT-144-229-0

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
144.229.0.0/16
Registration type
Direct Allocation
Record created
Jan 11, 1991
Legacy
yes
Origin network

AS20115

US
Name
Charter Communications LLC
Type
Internet provider
Registered
Mar 26, 2001
Domain
charter.com
Website
www.spectrum.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed