Data as of Nov 10, 2026
Autonomous system
AS15373
Politechnika Czestochowska
Announces 4,608 addresses in 7 prefixes. None of it is anonymizer space.
Type
Education
PL
Proxy activity, 30 days
55 exits
Announced prefixes
| Prefix | Type | Proxy exits | RPKI |
|---|---|---|---|
| 212.87.224.0/21 since May 2005 | Business | 19 1 always on | |
| 212.87.232.0/23 since Dec 2012 | Business | 3 | |
| 212.87.234.0/23 since May 2005 | Business | ||
| 212.87.236.0/23 since Dec 2012 | Business | 27 | |
| 212.87.238.0/23 since Mar 2006 | Business | 5 | |
| 212.87.251.0/24 since Apr 2025 | Business | ||
| 212.87.253.0/24 since Oct 2023 | Business |
Residential-proxy exposure
Always-on exits
1
1.8% of its exits
Spread
9
/24s with at least one exit
Providers
56
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 212.87.229.0/24 | 1 | 15 | |
| 212.87.236.0/24 | 0 | 14 | |
| 212.87.237.0/24 | 0 | 13 | |
| 212.87.238.0/24 | 0 | 5 | |
| 212.87.232.0/24 | 0 | 3 | |
| 212.87.225.0/24 | 0 | 1 | |
| 212.87.227.0/24 | 0 | 1 | |
| 212.87.228.0/24 | 0 | 1 | |
| 212.87.230.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Extract
- 9Proxy
- Ake.net
- BirdProxies
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FROXY
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GhostConnect
- GonzoProxy
- HideProxy
- HydraProxy
- IPPeak
- Infatica
- InfiniteProxies
- LemonBright
- LemonPrime
- LudaxProxy
- MangoProxy
- NodeProxy
- NovProxy
- NovaProxy
- Oxylabs
- PROXYON
- PROXYSCRAPE
- PROXYWING_BASIC
- ProxiesVision
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyGeo
- Proxyma
- RainProxy
- SPYDERPROXY_BASIC
- SPYDERPROXY_PREMIUM
- Shifter
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- ZENPROXY_PREMIUM
Proxy activity
Oct 11, 2026 – Nov 9, 2026
AS15373, day by day
11K observations
Network & history
Profile
- Registered
- Jun 7, 2000
- Domain
- pcz.pl
- Industry
- Colleges, Universities, and Professional Schools
Routing patterns
How its announcements have moved
Arrivals