Data as of Nov 8, 2026
212.87.224.0/21
19 residential-proxy exits · 30 daysPolitechnika Czestochowska
Residential-proxy exits
Proxy exits
19
0.93% of its addresses · 30 days
Always-on exits
1
5.3% of its exits
Spread
5 of 8
/24s with at least one exit
Providers
47
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
10K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 212.87.229.0/24 | 1 | 15 | |
| 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
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GonzoProxy
- HydraProxy
- IPPeak
- Infatica
- InfiniteProxies
- LemonBright
- LemonLabs
- MangoProxy
- NodeProxy
- NovProxy
- NovaProxy
- Oxylabs
- PROXYWING_BASIC
- ProxiesVision
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyGeo
- Proxyma
- RainProxy
- Shifter
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- ZENPROXY_PREMIUM
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 212.87.224.0/19 | 8,192 | PL-CZESTMAN-20000519 | Politechnika Czestochowska (ORG-PC2-RIPE) · PL | ALLOCATED PA | — | abuse@ |
| └ 212.87.224.0/21 | 2,048 | PCZ-NET | Politechnika Czestochowska (ORG-PC2-RIPE) · PL | ASSIGNED PA | — | abuse@ |
Network & registry
Registry
Holder
- Organization
- Politechnika Czestochowska
- Handle
- ORG-PC2-RIPE
- Range
- 212.
87. 224. 0/ 19 - Registration type
- ALLOCATED PA
Origin network
AS15373
PL
- Name
- Politechnika Czestochowska
- Type
- Education
- Registered
- Jun 7, 2000
- Domain
- pcz.pl
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 212.
87. 224. 0/ 21 - Netname
- PCZ-NET
- Registrant
- Politechnika Czestochowska
- Registrant country
- PL
- Organization
- Politechnika Czestochowska (ORG-PC2-RIPE)
- Org country
- PL
- Type
- ASSIGNED PA
- Created
- Not stated by the registry
- Updated
- Apr 2, 2026
- Maintainer
- PL-CZESTMAN-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- May 19, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
man. pcz. pl - Name
- CzestMAN Operations
- Handle
- CZ512-RIPE