Data as of Nov 3, 2026

154.3.152.0/21

Anonymizer · ISP proxy

Cogent Communications, LLC

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

Path

1 · Holder
record created Feb 5, 1992
2 · Leased from
not leased
3 · Announced by
AS174 Cogent Communications, LLC
since Feb 2019 · 7.7 yr ago
4 · Use
Proxy providersnamed Oxylabs
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 154.3.152.0/21/24s
OxylabsTesonet
2,048100%
8

Lineage

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

154.3.152.0/21

From the registry to its use

  1. Feb 5, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    154.3.0.0/16
  2. Sep 15, 2006– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    as part of 154.3.0.0/16
    154.3.0.0/16
  3. Feb 13, 2019– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  4. today
    Used
    Oxylabs
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesProxy exitsHolderRPKI
154.3.0.0/16
since Sep 2006
AS174Internet provider1,0241.6%ISP proxy392
201 always on
Cogent Communications, LLC

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