These entries are queried from radb.net using whois, you can try my project getting these.
:AS57333 route: 176.97.160.0/19 descr: Route origin: AS57333 mnt-by: KASPYISKTEL-MNT created: 2011-11-12T08:22:27Z last-modified: 2011-11-12T08:22:27Z 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: 176.97.160.0/21 descr: route1 origin: AS57333 mnt-by: KASPYISKTEL-MNT created: 2013-11-30T10:52:42Z last-modified: 2013-11-30T10:52:42Z 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: 176.97.168.0/21 descr: route2 origin: AS57333 mnt-by: KASPYISKTEL-MNT created: 2013-11-30T10:54:46Z last-modified: 2013-11-30T10:54:46Z 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: 176.97.176.0/21 descr: route3 origin: AS57333 mnt-by: KASPYISKTEL-MNT created: 2013-11-30T10:55:46Z last-modified: 2013-11-30T10:55:46Z 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: 176.97.184.0/21 descr: route4 origin: AS57333 mnt-by: KASPYISKTEL-MNT created: 2013-11-30T10:56:29Z last-modified: 2013-11-30T10:56:29Z 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