| Country | Poland |
| ASN | AS15744 |
| Description | PL-CKPOLSL-NET-20040521-COM |
| Organisation | Silesian University of Technology, Computer Centre ORG-CSUo1-RIPE |
| IP Range | 83.230.0.0 — 83.230.63.255 |
| Num of IPs | 16384 |
| ASN | AS15744 |
| Name | SILWEB-AS-COM |
| Description | SILWEB Autonomous System - Commercial Silesian Regional Computer Network Poland |
| Organisation | Silesian University of Technology, Computer Centre ORG-CSUo1-RIPE |
| Range | 83.230.0.0 — 83.230.63.255 |
| CIDR | 83.230.0.0/18 |
