Data as of Nov 3, 2026

104.239.24.0/22

Anonymizer · ISP proxy

Cogent Communications, LLC · space held by Fastplanet Ltd

Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Oct 24, 2025
2 · Leased from
its owner, directly
3 · Announced by
AS174 Cogent Communications, LLC
since Nov 2024 · 24 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 104.239.24.0/22/24s
Fastplanet Ltd
1,024100%
4

Lineage

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

104.239.24.0/22

From the registry to its use

  1. Feb 26, 2021– Nov 12, 2024
    Announced
    AS1239 Cogent Communications, LLC
  2. Sep 14, 2024– Sep 25, 2024
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  3. Nov 13, 2024– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  4. Oct 24, 2025
    Registry record
    Fastplanet Ltd
    ALLOCATED PA
    104.239.0.0 - 104.239.59.255

Network & 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