These entries are queried from radb.net using whois, you can try my project getting these.
:AS48385 route: 91.209.139.0/24 descr: INFOAURA-MNT-20090217 origin: AS48385 mnt-by: INFOAURA-MNT created: 2009-02-17T19:47:04Z last-modified: 2009-02-17T19:47:04Z 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: valid route: 91.229.66.0/23 descr: INFOAURA-MNT-20110818 origin: AS48385 mnt-by: INFOAURA-MNT created: 2011-08-18T14:11:39Z last-modified: 2011-08-18T14:11:39Z 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: valid route: 193.105.41.0/24 descr: INFOAURA-MNT-20100117 origin: AS48385 mnt-by: INFOAURA-MNT created: 2010-01-23T13:11:18Z last-modified: 2010-01-23T13:11:18Z 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