These entries are queried from radb.net using whois, you can try my project getting these.
:AS31087 route: 185.97.220.0/22 descr: H&S Route Object origin: AS31087 mnt-by: IT-HES-MNT created: 2016-03-15T17:20:25Z last-modified: 2016-03-15T17:20:25Z source: RIPE notify: staff [at] hes.it 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 route: 185.97.223.0/24 origin: AS31087 mnt-by: IT-HES-MNT mnt-by: IT-HES-MNT created: 2021-10-13T13:24:00Z last-modified: 2021-10-13T13:24:00Z 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: 2a06:840::/29 descr: H&S Route Object origin: AS31087 mnt-by: IT-HES-MNT created: 2016-03-15T17:21:17Z last-modified: 2016-03-15T17:21:17Z source: RIPE notify: staff [at] hes.it 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