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Data as of Nov 3, 2026

199.12.32.0/19

Anonymizer · ISP proxy

Charter Communications Inc · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS20001
Type
ISP proxy
Recent change
New origin Sep 2026
from AS420100018
IPv4 market

Path

Announced by AS20001 since Sep 2026 · 9 wk ago
1 · Holder
Cogent Communications, LLC
record created Sep 24, 1993
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS20001 Charter Communications Inc
since Sep 2026 · 9 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 199.12.32.0/19/24s
Rackdog
8,192100%
32
Leased from

Owners leasing their own space

NameIn 199.12.32.0/19/24s
Cogent Communications, LLC
8,192100%
32

Lineage

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

199.12.32.0/19

From the registry to its use

  1. Sep 24, 1993
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    199.11.0.0 - 199.14.255.255
  2. Aug 26, 2025
    Route object
    Rackdog
    RADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465
    199.12.32.0/20
  3. Aug 26, 2025
    Route object
    Rackdog
    RADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465
    199.12.48.0/20
  4. May 22, 2026
    Route object
    AS20115 Charter Communications LLC
    RADB route object for AS20115 Charter Communications LLC, maintainer MAINT-CHTR-WD
  5. May 27, 2026
    Assigned
    RCN
    Reassigned
    199.12.0.0/16
  6. Aug 23, 2026– Sep 3, 2026
    Announced
    AS420100018
  7. Sep 4, 2026– Nov 2, 2026
    Announced
    AS20001 Charter Communications Inc
    Internet provider
  8. Sep 28, 2026– Nov 2, 2026
    Announced
    AS22773 Cox Communications Inc.
    as part of 199.12.0.0/16
    199.12.0.0/16
  9. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
199.12.0.0/16
since Sep 28, 2026
AS22773ISP proxy24,32037%IP broker Rackdog1Cogent Communications, LLC
More specific

Announcements inside

PrefixOriginTypeLeased fromHolderRPKI
199.12.48.0/24
since Sep 2026
AS20001ISP 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
199.11.0.0 - 199.14.255.255262,144COGCCogent Communications, LLC (COGC) · USDirect AllocationSep 24, 1993[email protected]
└ 199.12.0.0/1665,536RACKDOG-CGNT-NET-19RCN (C11605117) · USReassignedMay 27, 2026[email protected]
via COGC

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
199.11.0.0 - 199.14.255.255
Registration type
Direct Allocation
Record created
Sep 24, 1993
Legacy
yes
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