These entries are queried from radb.net using whois, you can try my project getting these.
:AS59819 route6: 2a03:6947:b00::/40 origin: AS59819 mnt-by: JW-MNT created: 2021-10-12T10:43:54Z last-modified: 2021-10-12T10:43:54Z 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: 2a03:6947:1400::/40 origin: AS59819 mnt-by: JW-MNT created: 2021-09-07T15:16:12Z last-modified: 2021-09-07T15:16:12Z 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: 2a03:6947:1500::/40 origin: AS59819 mnt-by: JW-MNT created: 2022-03-08T08:48:34Z last-modified: 2022-03-08T08:48:34Z 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