| Country | Poland |
| ASN | AS8508 |
| Description | BibliotekaSlaska |
| Organisation | Silesian University of Technology, Computer Centre ORG-CSUo1-RIPE |
| IP Range | 91.220.103.0 — 91.220.103.255 |
| Num of IPs | 256 |
| ASN | AS8508 |
| Name | SILWEB-AS-EDU |
| Description | SILWEB Autonomous System - Academic Silesian Regional Computer Network Poland |
| Organisation | Silesian University of Technology, Computer Centre ORG-CSUo1-RIPE |
| Range | 91.220.103.0 — 91.220.103.255 |
| CIDR | 91.220.103.0/24 |
