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Data as of Nov 8, 2026

206.251.3.0/24

Anonymizer · ISP proxy

Charter Communications Inc · space held by Cumberland Technologies International

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

Path

1 · Holder
Cumberland Technologies International
record created Nov 4, 2005 · reallocated to Internet Utilities NA LLC Jan 7, 2025
2 · Leased from
IPXO
for its owner Cumberland Technologies International
3 · Announced by
AS20001 Charter Communications Inc
since May 2025 · 18 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 206.251.3.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 206.251.3.0/24/24s
Cumberland Technologies International
256100%
1

Lineage

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

206.251.3.0/24

From the registry to its use

  1. Nov 4, 2005
    Registry record
    Cumberland Technologies International
    Direct Allocation
    206.251.0.0/19
  2. Jan 15, 2015– Mar 13, 2018
    Announced
    AS11590 Cumberland Technologies International
    Internet provider
  3. Jan 7, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    206.251.0.0/20
  4. May 24, 2025– today
    Announced
    AS20001 Charter Communications Inc
    Internet provider
  5. May 26, 2025
    Route object
    IPXO
    RADB route object for AS20001 Charter Communications Inc, maintainer MAINT-AS834
  6. May 26, 2025
    Route object
    IPXO
    ARIN route object for AS20001 Charter Communications Inc, maintainer MNT-DCL-577
  7. today
    Leased from
    IPXO
    IP broker

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
206.251.0.0/198,192CTI-NET-2Cumberland Technologies International (CTI) · USDirect AllocationNov 4, 2005rbl@ctiresidential.com
└ 206.251.0.0/204,096NET-206-251-0-0IPXO LLC (IL-845) · USReallocatedJun 2, 2022abuse@ipxo.com
└ 206.251.0.0/204,096NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 206.251.0.0/204,096NET-206-251-0-0-20Charter Communications (C11061672) · USReassignedJan 7, 2025report@abuseradar.com
via NET-206-251-0-0

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
Cumberland Technologies International
Handle
CTI
Range
206.251.0.0/19
Registration type
Direct Allocation
Record created
Nov 4, 2005
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
206.251.0.0/20
Reallocated
Jan 7, 2025
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