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Data as of Nov 3, 2026
Autonomous system

AS57121

Piotr Bukowczyk trading as IT Systematic Group

Announces 7,424 addresses in 5 prefixes. None of it is anonymizer space.

Type
Internet provider
PL
Proxy activity, 30 days
262 exits

Announced prefixes

All 5
Arrived
PrefixTypeProxy exitsRPKI
91.230.221.0/24
since Nov 2011
Residential
176.96.144.0/21
since Nov 2011
Residential54
6 always on
176.96.160.0/20
since Nov 2011
Residential98
12 always on
192.109.84.0/23
since Sep 2019
Residential51
6 always on
192.109.132.0/23
since Sep 2019
Residential58
8 always on

Residential-proxy exposure

Always-on exits
32
12% of its exits
Spread
24
/24s with at least one exit
Providers
93
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
192.109.132.0/24630
192.109.85.0/24330
192.109.84.0/24321
176.96.169.0/24315
176.96.172.0/2436
192.109.133.0/24228
176.96.162.0/24214
176.96.149.0/24213
176.96.165.0/2428
176.96.151.0/24112
176.96.166.0/2419
176.96.150.0/2417
176.96.163.0/2416
176.96.144.0/2416
176.96.148.0/2413
176.96.161.0/24011
176.96.167.0/24010
176.96.160.0/2408
176.96.164.0/2407
176.96.147.0/2406
176.96.145.0/2405
176.96.170.0/2402
176.96.173.0/2402
176.96.146.0/2402

Proxy providers listing exits

  • 2Captcha
  • 2Extract
  • 711Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GloryCloud
  • GonzoProxy
  • HydraProxy
  • IPCola
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PacketStream
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • RoamProxy
  • RolaProxy
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrustProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • Webshare

Proxy activity

Oct 4, 2026 – Nov 2, 2026

AS57121, day by day

48K observations

Network & history

NetworkHistory
Profile
Registered
Jul 25, 2011
Domain
systematic.pl
Website
systematic.pl
Industry
Internet Service Provider (ISP)