These entries are queried from radb.net using whois, you can try my project getting these.
:AS43929 route: 91.200.172.0/22 descr: ASN route origin: AS43929 mnt-by: ASN-MNT mnt-routes: ASN-MNT created: 2007-10-19T11:23:44Z last-modified: 2007-11-14T11:28:50Z 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 route: 91.200.172.0/24 origin: AS43929 mnt-by: ASN-MNT created: 2019-12-06T09:37:13Z last-modified: 2019-12-06T09:37:13Z 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