| Country | Poland |
| ASN | AS8508 |
| Description | PL-CKPOLSL-NET-20040521-EDU BIELMAN |
| Organisation | Silesian University of Technology, Computer Centre ORG-CSUo1-RIPE |
| IP Range | 83.230.99.0 — 83.230.99.255 |
| 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 | 83.230.99.0 — 83.230.99.255 |
| CIDR | 83.230.99.0/24 |
