Data as of Nov 8, 2026
212.106.183.0/24
No anonymizer space · no proxy exits in 30 daysSilesian University of Technology, Computer Centre
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 212.106.176.0/20 since May 2005 | AS8508 | Business | 5 | 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 |
|---|---|---|---|---|---|---|
| 212.106.128.0/18 | 16,384 | PL-CKPOLSL-981207 | Silesian University of Technology, Computer Centre (ORG-CSUO1-RIPE) · PL | ALLOCATED PA | Feb 27, 2002 | abuse@ |
| └ 212. | 1,280 | BIELMAN | Uniwersytet Bielsko-Bialski | ASSIGNED PA | — | abuse@ |
Network & registry
Registry
Holder
- Organization
- Silesian University of Technology, Computer Centre
- Handle
- ORG-CSUO1-RIPE
- Range
- 212.
106. 128. 0/ 18 - Registration type
- ALLOCATED PA
- Record created
- Feb 27, 2002
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2016
- Current origin since
- Sep 2024 · 2.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.106.183.0/24 | AS8508 | /24 | RIPE | RPKI valid |
| 212.106.176.0/20 | AS8508 | /20 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8508 | RIPE | PL-CKPOLSL-NET-19981207-EDU | PL-CKPOLSL-MNT | Apr 1, 2019 |
Whois
Registration for this announcement
- Range
- 212.
106. 183. 0 - 212. 106. 187. 255 - Netname
- BIELMAN
- Registrant
- Uniwersytet Bielsko-Bialski
- Registrant country
- PL
- Organization
- Uniwersytet Bielsko-Bialski
- Org country
- PL
- Type
- ASSIGNED PA
- Created
- Not stated by the registry
- Updated
- Mar 11, 2025
- Maintainer
- PL-CKPOLSL-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Dec 7, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ubb. edu. pl - Name
- Uniwersytet Bielsko-Bialski
- Handle
- AT10986-RIPE