These entries are queried from radb.net using whois, you can try my project getting these.
:AS44137 route: 91.199.37.0/24 origin: AS44137 descr: Route to SYGrid-AS notify: admin [at] amik.dn.ua mnt-by: AMIK-MNT created: 2021-04-21T17:25:42Z last-modified: 2024-02-08T17:57:21Z 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