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Data as of Nov 3, 2026
Autonomous system

AS197480

SerczerNET Malgorzata Nienaltowska

Announces 3,072 addresses in 2 prefixes. None of it is anonymizer space.

Type
Internet provider
PL
Proxy activity, 30 days
29 exits

Announced prefixes

All 2
Arrived
PrefixTypeProxy exitsRPKI
178.21.136.0/21
since Oct 2011
Residential21
4 always on
185.3.224.0/22
since Sep 2012
Residential8
2 always on

Residential-proxy exposure

Always-on exits
6
21% of its exits
Spread
6
/24s with at least one exit
Providers
63
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
178.21.139.0/24210
178.21.138.0/2425
185.3.225.0/2425
178.21.136.0/2404
185.3.226.0/2403
178.21.137.0/2402

Proxy providers listing exits

  • 2Captcha
  • 2Extract
  • 711Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonode
  • GloryCloud
  • GonzoProxy
  • HideProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • Kookey
  • LemonBright
  • LudaxProxy
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • ProxiesVision
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • RoamProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • Webshare

Proxy activity

Oct 4, 2026 – Nov 2, 2026

AS197480, day by day

6.5K observations

Network & history

NetworkHistory
Profile
Registered
Dec 20, 2010
Domain
serczer.pl
Website
www.serczer.pl
Industry
Internet Service Provider (ISP)