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Data as of Nov 8, 2026

154.36.108.0/24

Anonymizer · ISP proxy

Cogent Communications, LLC

Announcement
154.36.0.0/14
No RPKI
Announced by
AS174
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Unnamed holder
2 · Leased from
Aventice
3 · Announced by
AS174 Cogent Communications, LLC
since Sep 2006 · 20.1 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 154.36.108.0/24/24s
Aventice
256100%
1

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
154.36.0.0/1665,536COGENT-154-36-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.36.64.0/1816,384AVENTICE-CGNT-NET-13Aventice LLC (AL-584) · USReallocatedDec 9, 2021abuse@aventice.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 154.36.0.0/14

Prefix
154.36.0.0/14
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Anonymizer addresses
256 addresses · 0.10%ISP proxy
Leased from
IP broker Aventice (part)
Proxy exits
2,135
Always-on exits
348
RPKI
No RPKI
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
Not stated by the registry
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