These entries are queried from radb.net using whois, you can try my project getting these.
:AS60598 route: 37.18.1.0/24 descr: OOO Upravljajushchaja kompanija Labirint origin: AS60598 mnt-by: lidertelecom-mnt created: 2013-06-20T07:21:04Z last-modified: 2013-06-20T07:21:04Z 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