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Data as of Nov 3, 2026

91.231.80.0/22

27 residential-proxy exits · 30 days

Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.

Announcement
this exact prefix
RPKI valid
Announced by
AS198050
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
27
2.6% of its addresses · 30 days
Always-on exits
3
11% of its exits
Spread
4 of 4
/24s with at least one exit
Providers
51
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

1.8K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
91.231.83.0/2417
91.231.80.0/2416
91.231.81.0/2414
91.231.82.0/2408

Proxy providers listing exits

  • 2Captcha
  • 2Extract
  • 711Proxy
  • Ake.net
  • BirdProxies
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • Decodo
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • GonzoProxy
  • HydraProxy
  • IPOasis
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • MangoProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxyma
  • Shifter
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • VibeProxies
  • VitalExclusive
  • VitalProxy

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS198050

PL
Name
Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.
Type
Internet provider
Registered
Sep 14, 2011
Domain
alfa-system.pl
Website
alfa-system.pl
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed