These entries are queried from radb.net using whois, you can try my project getting these.
:AS198592 route: 91.236.252.0/24 descr: OOO Svir'-Telecom origin: AS198592 mnt-by: WESTCALLSPB-MNT-RIPE created: 2012-03-19T14:23:53Z last-modified: 2012-03-19T14:23:53Z 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: valid route: 91.236.253.0/24 descr: OOO Svir'-Telecom origin: AS198592 mnt-by: WESTCALLSPB-MNT-RIPE created: 2012-03-19T14:25:02Z last-modified: 2012-03-19T14:25:02Z 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: valid