These entries are queried from radb.net using whois, you can try my project getting these.
:AS209773 route: 37.18.86.0/24 origin: AS209773 mnt-by: LIDERTELECOM-mnt created: 2018-12-05T10:34:51Z last-modified: 2018-12-05T10:34:51Z 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