| IP Owner | SemenaOnline s.r.o. |
| Network | SEMENAONLINE-2-IPV6-CZ-MAI |
| Owner IP Range | 2a01:430:21f:: — 2a01:430:21f:ffff:ffff:ffff:ffff:ffff |
| Owner CIDR | 2a01:430:21f::/48 |
| ASN | AS24971 |
| Name | MASTER-AS |
| Description | Czech Republic / www.master.cz e-mail: noc@master.cz |
| Organisation | Master Internet s.r.o. ORG-MIs2-RIPE |
| Range | 2a01:430:: — 2a01:430:ffff:ffff:ffff:ffff:ffff:ffff |
| CIDR | 2a01:430::/32 |
| Name | Placeholder Person ObjectDUMY-RIPE |
| Address | RIPE Network Coordination Centre P.O. Box 10096 1001 EB Amsterdam The Netherlands |
| Phone | +31 20 535 4444 |
| Name | Placeholder Person ObjectDUMY-RIPE |
| Address | RIPE Network Coordination Centre P.O. Box 10096 1001 EB Amsterdam The Netherlands |
| Phone | +31 20 535 4444 |
