These entries are queried from radb.net using whois, you can try my project getting these.
:AS56930 route: 91.228.208.0/22 descr: ClarusTelecom Ltd. origin: AS56930 mnt-by: RIPE-DB-MNT mnt-by: MNT-CLARUSTELECOM created: 2011-06-21T09:44:58Z last-modified: 2016-11-25T14:38:39Z 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