These entries are queried from radb.net using whois, you can try my project getting these.
:AS198481 route: 91.235.66.0/24 descr: route for Sistema LLC origin: AS198481 mnt-by: LIDERTELECOM-mnt created: 2012-03-22T12:58:46Z last-modified: 2012-03-22T12:58:46Z 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: 176.122.28.0/24 origin: AS198481 mnt-by: LIDERTELECOM-mnt created: 2017-07-20T10:54:02Z last-modified: 2017-07-20T10:54:02Z 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