These entries are queried from radb.net using whois, you can try my project getting these.
:AS200299 route6: 2a04:ff00:b00b::/48 origin: AS200299 descr: Hosting for Premness mnt-by: BASESERV-MNT created: 2020-08-04T20:44:37Z last-modified: 2020-08-04T20:44:37Z 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: 2a09:3a00:2000::/40 origin: AS200299 descr: BaseServ Limited org: ORG-BL330-RIPE mnt-by: HOSTING4REAL-MNT mnt-by: BASESERV-MNT created: 2019-04-02T17:45:26Z last-modified: 2019-04-02T18:08:03Z 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: 2a09:3a00:2000::/48 origin: AS200299 descr: BaseServ Limited mnt-by: BASESERV-MNT created: 2019-04-02T18:11:28Z last-modified: 2019-04-02T18:11:28Z 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