These entries are queried from radb.net using whois, you can try my project getting these.
:AS59685 route: 91.236.214.0/23 descr: Van Oord Dredging and Marine Contractors BV origin: AS59685 mnt-by: VANOORD-MNT created: 2014-05-12T23:13:20Z last-modified: 2020-01-27T14:03:10Z 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