These entries are queried from radb.net using whois, you can try my project getting these.
:AS209489 route6: 2a04:de40:40::/42 origin: AS209489 mnt-by: martafolf-mnt created: 2019-02-04T17:48:52Z last-modified: 2023-12-21T18:37:14Z 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: 2a04:de40:40::/48 origin: AS209489 mnt-by: martafolf-mnt created: 2019-02-04T17:43:29Z last-modified: 2023-12-21T18:37:41Z 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