These entries are queried from radb.net using whois, you can try my project getting these.
:AS202983 route6: 2a03:5840:300::/44 origin: AS202983 mnt-lower: GuanyunTech-MNT mnt-routes: GuanyunTech-MNT mnt-by: VIRTUA-SYSTEMS created: 2022-11-04T21:30:37Z last-modified: 2022-11-04T21:30:37Z 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