Data as of Nov 6, 2026
83.230.111.0/24
1 residential-proxy exit · 30 daysSilesian University of Technology, Computer Centre
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
10
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
30 observations
Proxy providers listing exits
- 2Extract
- Byteful
- GSocks
- Geonix
- Geonode
- Infatica
- MangoProxy
- NodeProxy
- NovaProxy
- ProxyGeo
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@ |
| └ 83.230.111.0/25 | 128 | AM | Akademia Muzyczna im. Karola Szymanowskiego w Katowicach | ASSIGNED PA | Mar 4, 2009 | abuse@ |
| └ 83.230.111.128/26 | 64 | ICHPW | Instytut Chemicznej Przeróbki W?gla | ASSIGNED PA | Mar 4, 2009 | abuse@ |
| └ 83.230.111.192/27 | 32 | ZSWSC | Zespó? Szkó? im. W?. Szybi?skiego w Cieszynie | ASSIGNED PA | Mar 12, 2015 | piotr. |
| └ 83.230.111.224/28 | 16 | ZSMER | Zespol Szkol Mechaniczno-Elektrycznych im. Tadeusza Kosciuszki w Rybniku | ASSIGNED PA | May 28, 2009 | abuse@ |
| └ 83.230.111.240/28 | 16 | PSMR | Pa?stwowa Szko?a Muzyczna I i II stopnia im. Karola i Antoniego Szafranków | ASSIGNED PA | May 28, 2009 | sekretariat@ |
Network & registry
Announced by
Covering announcement 83.230.96.0/19
- Prefix
- 83.230.96.0/19
- Announced by
- AS8508 Silesian University of Technology, Computer Centre
- Type
- Business
- Proxy exits
- 25
- RPKI
- RPKI valid
- Netname
- PL-CKPOLSL-20040521
- Registrant
- Silesian University of Technology, Computer Centre
- RIR
- RIPE NCC
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 83.230.96.0/19
83.230.96.0/19
Routing history
- Pattern
- Stable
- First seen
- Jun 2009
- Current origin since
- Jun 2009 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 83.230.96.0/19 | AS8508 | /19 | RIPE | RPKI valid |
IRR
Route objects on 83.230.96.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8508 | RIPE | PL-CKPOLSL-NET-20040521-EDU | PL-CKPOLSL-MNT | May 27, 2009 |
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