These entries are queried from radb.net using whois, you can try my project getting these.
:AS209771 route6: 2a0e:46c6:400::/40 origin: AS209771 mnt-lower: SYSN-MNT mnt-routes: SYSN-MNT mnt-by: SYSN-MNT created: 2022-03-03T22:14:03Z last-modified: 2022-03-03T22:14:03Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a0e:46c6:4ff::/48 origin: AS209771 mnt-by: SYSN-MNT created: 2020-02-13T20:44:09Z last-modified: 2021-08-10T21:58:12Z 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: not_found # No ROAs found, or RPKI validation not enabled for source