Data as of Nov 13, 2026
155.158.56.0/24
4 residential-proxy exits · 30 daysSilesian University of Technology, Computer Centre · space held by Uniwersytet Slaski W Katowicach
Residential-proxy exits
Proxy exits
4
1.6% of its addresses · 30 days
Providers
23
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
705 observations
Proxy providers listing exits
- 2Extract
- 9Proxy
- Ake.net
- BartProxies
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- FlashProxy
- FloppyData
- GSocks
- Geonode
- GonzoProxy
- Infatica
- InfiniteProxies
- MangoProxy
- NodeProxy
- NovaProxy
- Oxylabs
- Proxy-Seller
- Proxyma
- Shifter
- VitalExclusive
Network & registry
Announced by
Covering announcement 155.158.0.0/16
- Prefix
- 155.158.0.0/16
- Announced by
- AS8508 Silesian University of Technology, Computer Centre
- Type
- Business
- Proxy exits
- 147
- RPKI
- RPKI valid
- Netname
- USNET
- Registrant
- Uniwersytet Slaski W Katowicach
- 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 155.158.0.0/16
155.158.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 155.158.0.0/16 | AS8508 | /16 | RIPE | RPKI valid |
IRR
Route objects on 155.158.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8508 | RIPE | USNET | PL-CKPOLSL-MNT | May 25, 2004 |
Whois
Registration for this announcement
- Range
- 155.
158. 0. 0/ 16 - Netname
- USNET
- Registrant
- Uniwersytet Slaski W Katowicach
- Registrant country
- PL
- Organization
- Uniwersytet Slaski W Katowicach (ORG-UOS47-RIPE)
- Org country
- PL
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Feb 3, 2025
- Maintainer
- PL-CTIUS-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Dec 4, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
us. edu. pl - Name
- USNET Management Team
- Handle
- UMT9-RIPE