Data as of Nov 6, 2026
83.230.12.0/23
3 residential-proxy exits · 30 daysPirxNet Grzegorz Bialas · space held by Silesian University of Technology, Computer Centre
Residential-proxy exits
Proxy exits
3
0.59% of its addresses · 30 days
Always-on exits
1
33% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
25
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
1.3K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 83.230.12.0/24 | 1 | 2 | |
| 83.230.13.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Extract
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- EnigmaProxy
- FastProxy
- GSocks
- GonzoProxy
- HydraProxy
- IPOasis
- Infatica
- LemonBright
- MangoProxy
- NodeProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
- VantageProxies
- VitalData
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 83.230.0.0/18 since Jan 2019 | AS15744 | Business | 64 4 always on | Silesian University of Technology, Computer Centre |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 83.230.0.0/17 | 32,768 | PL-CKPOLSL-20040521 | Silesian University of Technology, Computer Centre (ORG-CSUO1-RIPE) · PL | ALLOCATED PA | May 21, 2004 | abuse@ |
| └ 83.230.12.0/23 | 512 | JOTA-NET | unknown | ASSIGNED PA | Mar 6, 2014 | biuro@ |
Network & registry
Announced by
Covering announcement 83.230.0.0/19
- Prefix
- 83.230.0.0/19
- Announced by
- AS35434 PirxNet Grzegorz Bialas
- Type
- Residential
- Proxy exits
- 34
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- PL-CKPOLSL-20040521
- Registrant
- Silesian University of Technology, Computer Centre
- RIR
- RIPE NCC
Origin network
AS35434
PL
- Name
- PirxNet Grzegorz Bialas
- Type
- Internet provider
- Registered
- Aug 8, 2005
- Domain
- pirxnet.pl
- Website
- www.pirxnet.pl
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
83.230.0.0/19
Routing history
- Pattern
- Rotating
- First seen
- Feb 2009
- Current origin since
- Nov 2023 · 3.0 yr
- Origin networks
- 3
- Last change of origin
- Nov 2023
Recorded history
History
- Handoffs
- 5
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 83.230.0.0/19 | AS35434 | /19 | RIPE | RPKI valid |
| 83.230.0.0/18 | AS15744 | /18 | RIPE | Another network |
IRR
Route objects on 83.230.0.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS35434 | RIPE | PL-CKPOLSL-NET-20040521-COM | PL-CKPOLSL-MNT | May 26, 2008 |
Whois
Registration for this announcement
- Range
- 83.
230. 0. 0/ 17 - Netname
- PL-CKPOLSL-20040521
- Registrant
- Silesian University of Technology, Computer Centre
- Registrant country
- PL
- Organization
- Silesian University of Technology, Computer Centre (ORG-CSUO1-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- May 21, 2004
- Updated
- Jul 26, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- May 21, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
silweb. pl - Name
- PL-CKPOLSL Hostmaster Team
- Handle
- SASK1-RIPE