Data as of Nov 8, 2026
83.230.80.0/20
No anonymizer space · no proxy exits in 30 daysSilesian University of Technology, Computer Centre
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 83.230.94.0/24 since Apr 2013 | AS199279 | Business | 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@ |
| └ 83.230.95.96/29 | 8 | SASK-RIPE-ATLAS-COM | Ripe Atlas | ASSIGNED PA | Nov 22, 2010 | abuse@ via PL-CKPOLSL-20040521 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Origin network
AS15744
PL
- Name
- Silesian University of Technology, Computer Centre
- Type
- Education
- Registered
- Oct 3, 2000
- 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
- Jan 2019 · 7.8 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