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Data as of Nov 9, 2026

144.224.192.0/19

Anonymizer · ISP proxy

Cogent Communications, LLC

Announcement
144.224.0.0/16
No RPKI
Announced by
AS174
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Jan 11, 1991
2 · Leased from
Rackdog
3 · Announced by
AS174 Cogent Communications, LLC
since May 2024 · 2.5 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 144.224.192.0/19/24s
Rackdog
8,192100%
32

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
144.224.0.0/1665,536COGENT-144-224-0Cogent Communications, LLC (COGC) · USDirect AllocationJan 11, 1991abuse@cogentco.com
└ 144.224.128.0/1732,768RACKDOG-CGNT-NET-2RCN (C11605021) · USReassignedMay 27, 2026abuse@cogentco.com
via COGENT-144-224-0

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 144.224.0.0/16

Prefix
144.224.0.0/16
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Anonymizer addresses
32,768 addresses · 50%ISP proxy
RPKI
No RPKI
Netname
COGENT-144-224-0
Registrant
Cogent Communications, LLC
RIR
ARIN
Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,623