Data as of Nov 3, 2026

64.22.72.0/24

Anonymizer · ISP proxy

Cogent Communications, LLC · space held by Network Transit Holdings LLC

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Jul 13, 2006
2 · Leased from
its owner, directly
3 · Announced by
AS174 Cogent Communications, LLC
since Jan 2024 · 2.8 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 64.22.72.0/24/24s
Network Transit Holdings LLC
256100%
1

Lineage

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

64.22.72.0/24

From the registry to its use

  1. Jul 13, 2006
    Registry record
    Network Transit Holdings LLC
    Direct Allocation
    64.22.72.0/23
  2. Dec 27, 2018– Dec 5, 2022
    Announced
    AS11042 Network Transit Holdings LLC
    Hosting
  3. Mar 12, 2023– Jan 29, 2024
    Announced
    AS1239 Cogent Communications, LLC
  4. Mar 14, 2023
    Route object
    AS1239 Cogent Communications, LLC
    RADB route object for AS1239 Cogent Communications, LLC, maintainer MAINT-AS11042
  5. Oct 27, 2023
    Route object
    AS174 Cogent Communications, LLC
    RADB route object for AS174 Cogent Communications, LLC, maintainer MAINT-AS11042
  6. Jan 18, 2024– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  7. Mar 13, 2025
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-NTHL
  8. May 24, 2025
    Route object
    AS6079 RCN
    ARIN route object for AS6079 RCN, maintainer MNT-NTHL

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