Data as of Nov 3, 2026
91.220.103.0/24
1 residential-proxy exit · 30 daysSilesian University of Technology, Computer Centre · space held by Biblioteka Slaska
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- FloppyData
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2010
- Current origin since
- Dec 2010 · 16 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 91.220.103.0/24
- Netname
- BibliotekaSlaska
- Registrant
- Biblioteka Slaska
- Registrant country
- PL
- Organization
- Biblioteka Slaska (ORG-BS81-RIPE)
- Org country
- PL
- Type
- ASSIGNED PI
- Created
- Nov 3, 2010
- Updated
- Apr 14, 2016
- Maintainer
- RIPE-NCC-END-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Nov 3, 2010
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Biblioteka Slaska
- Handle
- BS7272-RIPE