Data as of Nov 6, 2026
213.227.112.0/20
1 residential-proxy exit · 30 daysSilesian University of Technology, Computer Centre
Residential-proxy exits
Proxy exits
1
0.02% of its addresses · 30 days
Spread
1 of 16
/24s with at least one exit
Providers
1
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- AnyIP
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 |
|---|---|---|---|---|---|---|
| 213.227.64.0/18 | 16,384 | PL-CKPOLSL-20001016 | Silesian University of Technology, Computer Centre (ORG-CSUO1-RIPE) · PL | ALLOCATED PA | Feb 27, 2002 | abuse@ |
| └ 213.227.112.0/20 | 4,096 | SUM | Slaski Uniwersytet Medyczny w Katowicach | ASSIGNED PA | Dec 8, 2014 | abuse@ |
Network & registry
Announced by
Covering announcement 213.227.96.0/19
- Prefix
- 213.227.96.0/19
- Announced by
- AS8508 Silesian University of Technology, Computer Centre
- Type
- Business
- Proxy exits
- 1
- RPKI
- RPKI valid
- Netname
- PL-CKPOLSL-20001016
- 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 213.227.96.0/19
213.227.96.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 213.227.96.0/19 | AS8508 | /19 | RIPE | RPKI valid |
IRR
Route objects on 213.227.96.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8508 | RIPE | PL-CKPOLSL-NET-20001016-EDU | PL-CKPOLSL-MNT | Nov 6, 2023 |
Whois
Registration for this announcement
- Range
- 213.
227. 64. 0/ 18 - Netname
- PL-CKPOLSL-20001016
- 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
- Feb 27, 2002
- Updated
- Jul 26, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Oct 16, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
silweb. pl - Name
- PL-CKPOLSL Hostmaster Team
- Handle
- SASK1-RIPE