These entries are queried from radb.net using whois, you can try my project getting these.
:AS48515 route: 91.211.60.0/22 descr: Praktika Ltd. origin: AS48515 mnt-by: MNT-PRAKTIKA created: 2009-01-28T12:41:15Z last-modified: 2009-01-28T12:41:15Z 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: 176.96.0.0/19 descr: Praktika Ltd. origin: AS48515 mnt-by: MNT-PRAKTIKA created: 2011-07-20T09:51:40Z last-modified: 2011-07-20T09:51:40Z 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