Data as of Nov 5, 2026
83.230.64.0/20
12 residential-proxy exits · 30 daysSilesian University of Technology, Computer Centre
Residential-proxy exits
Proxy exits
12
0.29% of its addresses · 30 days
Always-on exits
1
8.3% of its exits
Spread
5 of 16
/24s with at least one exit
Providers
46
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
2.6K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 83.230.65.0/24 | 1 | 3 | |
| 83.230.67.0/24 | 0 | 4 | |
| 83.230.64.0/24 | 0 | 2 | |
| 83.230.66.0/24 | 0 | 2 | |
| 83.230.70.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Extract
- Ake.net
- AnyIP
- BartProxies
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- EnigmaProxy
- Evomi
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- IPFly
- IPPeak
- Infatica
- InfiniteProxies
- LemonLabs
- MangoProxy
- NextProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Oxylabs
- Proxies.fo
- ProxiesVision
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyGeo
- Proxyma
- PuraRoute
- RainProxy
- ResiProxies
- Shifter
- VantageProxies
- VibeProxies
- VitalExclusive
- VitalProxy
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 83.230.64.0/21 since Mar 2021 | AS8508 | Business | 12 1 always on | Silesian University of Technology, Computer Centre |
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 |
|---|---|---|---|---|---|---|
| 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@ |
| └ 83.230.64.0/21 | 2,048 | SUM | Slaski Uniwersytet Medyczny w Katowicach | ASSIGNED PA | Aug 8, 2011 | abuse@ |
Network & registry
Origin network
AS8508
PL
- Name
- Silesian University of Technology, Computer Centre
- Type
- Education
- Registered
- Oct 13, 1997
- Domain
- polsl.pl
- Website
- www.polsl.pl/rju1-ck/sask/
- 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
- Aug 2011
- Current origin since
- Aug 2011 · 15 yr
- Origin networks
- 1
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