Data as of Nov 3, 2026

199.89.3.0/24

Anonymizer · ISP proxy

Cogent Communications, LLC · space held by Thomas A. Johnson Group, Inc.

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

Path

1 · Holder
record created Dec 27, 1993
2 · Leased from
its owner, directly
3 · Announced by
AS174 Cogent Communications, LLC
since Dec 2025 · 11 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 199.89.3.0/24/24s
Thomas A. Johnson Group, Inc.
256100%
1

Lineage

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

199.89.3.0/24

From the registry to its use

  1. Dec 27, 1993
    Registry record
    Thomas A. Johnson Group, Inc.
    Direct Allocation (legacy, pre-1997)
    199.89.0.0/21
  2. Jun 22, 2015– Sep 15, 2015
    Announced
  3. Jan 13, 2018– Dec 13, 2025
    Announced
    AS8100 Splice Internet Pty Ltd
    Hosting
  4. Dec 14, 2025– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  5. Dec 16, 2025
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-TJG-2-Z

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