These entries are queried from radb.net using whois, you can try my project getting these.
:AS43386 route: 81.6.139.0/24 descr: N3T Projekt origin: AS43386 mnt-by: KUT-PL created: 2017-03-02T11:05:14Z last-modified: 2022-09-09T10:39:10Z 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: valid route: 193.104.233.0/24 origin: AS43386 created: 2023-02-28T14:58:41Z last-modified: 2023-02-28T14:58:41Z source: RIPE mnt-by: lir-pl-n3tprojekt-1-MNT 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