These entries are queried from radb.net using whois, you can try my project getting these.
:AS57797 route6: 2a12:8ac0::/40 origin: AS57797 org: ORG-SYSL1-RIPE pingable: 2a12:8ac0::cafe:deca mnt-by: syslevel-noc-mnt created: 2022-05-06T17:28:02Z last-modified: 2024-01-26T21:58:24Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a12:8ac1::/32 origin: AS57797 pingable: 2a12:8ac1::cafe:deca mnt-by: syslevel-noc-mnt created: 2023-03-25T19:06:39Z last-modified: 2024-01-26T21:59:05Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid