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Data as of Nov 10, 2026

144.226.48.0/20

Anonymizer · ISP proxy

Cox Communications Inc. · space held by Cogent Communications, LLC

Announcement
144.226.0.0/16
No RPKI
Announced by
AS22773
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 28, 2026
from AS2050 Sprint Enterprise Information Services, after 18.4 years unannounced
IPv4 market

Path

Announced by AS22773 since Sep 28, 2026 · 6 wk ago
1 · Holder
Cogent Communications, LLC
record created Jan 11, 1991
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS22773 Cox Communications Inc.
since Sep 28, 2026 · 6 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 144.226.48.0/20/24s
Rackdog
4,096100%
16
Leased from

Owners leasing their own space

NameIn 144.226.48.0/20/24s
Cogent Communications, LLC
4,096100%
16

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
144.226.0.0/1665,536COGENT-144-226-0Cogent Communications, LLC (COGC) · USDirect AllocationJan 11, 1991abuse@cogentco.com
└ 144.226.0.0/1665,536RACKDOG-CGNT-NET-5RCN (C11605024) · USReassignedMay 27, 2026abuse@cogentco.com
via COGENT-144-226-0

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
Announced by

Covering announcement 144.226.0.0/16

Prefix
144.226.0.0/16
Announced by
AS22773 Cox Communications Inc.
Type
ISP proxy
Anonymizer addresses
all
Leased from
IP broker Rackdog
RPKI
No RPKI
Netname
RACKDOG-CGNT-NET-5
Registrant
RCN
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
144.226.0.0/16
Registration type
Direct Allocation
Record created
Jan 11, 1991
Legacy
yes
Origin network

AS22773

US
Name
Cox Communications Inc.
Type
Internet provider
Registered
Nov 20, 2001
Domain
cox.com
Website
www.cox.com/peering
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed