Data as of Nov 3, 2026
91.231.70.0/23
8 residential-proxy exits · 30 daysMarek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.
Residential-proxy exits
Proxy exits
8
1.6% of its addresses · 30 days
Always-on exits
1
13% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
40
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
1.4K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 91.231.70.0/24 | 1 | 4 | |
| 91.231.71.0/24 | 0 | 4 |
Proxy providers listing exits
- 2Captcha
- 2Extract
- 711Proxy
- 9Proxy
- AnyIP
- B2Proxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- Geonix
- Geonode
- GonzoProxy
- IPOasis
- IPPeak
- Infatica
- InfiniteProxies
- LemonBright
- LightningProxies
- LudaxProxy
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Oxylabs
- Proxy-Seller
- ProxyEmpire
- ProxyWing
- Proxyma
- RainProxy
- Shifter
- Thordata
- VantageProxies
- VitalExclusive
- VitalProxy
Network & registry
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2012
- Current origin since
- Mar 2012 · 15 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 91.231.70.0/23
- Netname
- PL-ALFA-SYSTEM-20110914
- Registrant
- Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.
- Registrant country
- PL
- Organization
- Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j. (ORG-MPTA12-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Nov 17, 2025
- Updated
- Nov 17, 2025
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Sep 14, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse-C Role
- Handle
- AR76225-RIPE