These entries are queried from radb.net using whois, you can try my project getting these.
:AS35493 route: 91.237.168.0/23 descr: Belnet Snina, s.r.o. origin: AS35493 mnt-by: MNT-Belnet created: 2015-03-26T14:57:46Z last-modified: 2015-03-26T14:57:46Z 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: 91.237.170.0/24 descr: Belnet Snina, s.r.o. origin: AS35493 mnt-by: MNT-Belnet created: 2015-03-26T14:58:56Z last-modified: 2015-03-26T14:58:56Z 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: 185.90.164.0/22 descr: Belnet Snina, s.r.o. origin: AS35493 mnt-by: MNT-Belnet created: 2015-03-26T15:00:25Z last-modified: 2015-03-26T15:00:25Z 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