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Data as of Nov 8, 2026

154.12.140.0/23

Anonymizer · ISP proxy58 residential-proxy exits · 30 days

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
ISP proxy
Risk
90 / 100 · Critical

Residential-proxy exits

Proxy exits
58
11% of its addresses · 30 days
Always-on exits
2
3.4% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
53
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

1.3K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
154.12.140.0/24230
154.12.141.0/24028

Proxy providers listing exits

  • 2Extract
  • 711Proxy
  • 9Proxy
  • Ake.net
  • BlurPath
  • BottingTools
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • DataImpulse
  • Decodo
  • FastProxy
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • HideProxy
  • IPFly
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • Kookey
  • LemonPrime
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • NSocks
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Oxylabs
  • PROXYON
  • PacketStream
  • PrivateByte
  • ProxiesVision
  • Proxy-Seller
  • Proxy4U
  • ProxyGeo
  • ProxyRack
  • Proxying
  • PuraRoute
  • RainProxy
  • RealProxy
  • ResiProxies
  • Shifter
  • Thordata
  • VantageProxies
  • WealthProxies
  • ZENPROXY_PREMIUM
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Feb 5, 1992
2 · Leased from
not leased
3 · Announced by
AS174 Cogent Communications, LLC
since Jun 2022 · 4.4 yr ago
4 · Use
Proxy providersnamed Webshare
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 154.12.140.0/23/24s
Webshare
512100%
2

Lineage

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

154.12.140.0/23

From the registry to its use

  1. Feb 5, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    154.12.0.0/16
  2. Jan 8, 2007– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 154.12.0.0/15
    154.12.0.0/15
  3. Jun 9, 2022– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  4. today
    Used
    Webshare
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsRPKI
154.12.0.0/15
since Jan 2007
AS174Internet provider1,0240.78%ISP proxyProxy providersoperated by High ProxiesIP broker Aventice (part)633
185 always on

Network & registry

AnnouncementRouting historyWhois & abuse
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