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Data as of Nov 4, 2026

207.42.83.0/24

Anonymizer · ISP proxy

Cogent Communications, LLC

Announcement
207.40.0.0/14
No RPKI
Announced by
AS174
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Jan 24, 1996
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 207.42.83.0/24/24s
Rackdog
256100%
1

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
207.40.0.0/14262,144COGENT-207-40-0Cogent Communications, LLC (COGC) · USDirect AllocationJan 24, 1996abuse@cogentco.com
└ 207.42.64.0/1816,384RACKDOG-CGNT-NET-52RCN (C11605258) · USReassignedMay 27, 2026abuse@cogentco.com
via COGENT-207-40-0

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 207.40.0.0/14

Prefix
207.40.0.0/14
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Anonymizer addresses
28,672 addresses · 11%ISP proxy
Proxy exits
43
Always-on exits
2
RPKI
No RPKI
Netname
COGENT-207-40-0
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
1,658