| ASN | Name | Organisation | Registry |
|---|---|---|---|
| AS34080 | MIRAMO-AS | Ripe | |
| AS204383 | CZ-SPCOM-AS | Ripe | |
| AS197798 | NET-CONNECT | Ripe | |
| AS35613 | NETDATACOMM | Ripe | |
| AS202237 | WICNET-AS | Ripe | |
| AS8913 | IPNet | Ripe | |
| AS43542 | OptoNet-AS | Ripe | |
| AS29583 | UNIENT-AS | Ripe | |
| AS34222 | ZONER-AS | Ripe | |
| AS201730 | DataSpring | Ripe | |
| AS197307 | bnet-internet_cz | Ripe | |
| AS206548 | TLAP-ZCOM | Ripe | |
| AS196843 | KHNET | Ripe | |
| AS47110 | CLOUD4COM-AS | Ripe | |
| AS48417 | ITS-CZ | Ripe |