| PL-CKPOLSL-19981231 | ||||
| 157.158.0.0 — 157.158.255.255 | CKPOLSL - Silesian University of Technology, Computer Centre | Poland | 157.158.0.0/16 | 65536 |
| PL-CKPOLSL-20040521 | ||||
| 83.230.0.0 — 83.230.127.255 | Poland | 83.230.0.0/17 | 32768 | |
| PL-CKPOLSL-981207 | ||||
| 212.106.128.0 — 212.106.191.255 | Poland | 212.106.128.0/18 | 16384 | |
| PL-CKPOLSL-20001016 | ||||
| 213.227.64.0 — 213.227.127.255 | Poland | 213.227.64.0/18 | 16384 | |
| PL-CKPOLSL-971021 | ||||
| 195.82.160.0 — 195.82.191.255 | Poland | 195.82.160.0/19 | 8192 | |
| PL-CKPOLSL-20151116 | ||||
| 185.126.188.0 — 185.126.191.255 | Poland | 185.126.188.0/22 | 1024 | |
| PL-CKPOLSL-20060919 | ||||
| 2a01:1d8:: — 2a01:1df:ffff:ffff:ffff:ffff:ffff:ffff | Poland | 2a01:1d8::/29 | 299 | |
| PL-CKPOLSL | ||||
| 2a01:1dc:: — 2a01:1dc:0:ffff:ffff:ffff:ffff:ffff | Silesian University of Technology, Computer Centre | Poland | 2a01:1dc::/48 | 280 |
