These entries are queried from radb.net using whois, you can try my project getting these.
:AS47904 route: 91.216.54.0/24 descr: ARCTUR d.o.o. origin: AS47904 mnt-by: MNT-T-2 created: 2010-08-09T11:56:07Z last-modified: 2015-10-30T07:17:57Z 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: 91.223.115.0/24 descr: ARCTUR d.o.o. origin: AS47904 mnt-by: MNT-T-2 created: 2011-05-12T11:47:32Z last-modified: 2011-05-12T11:47:32Z 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 route6: 2001:67c:2324::/48 descr: ARCTUR d.o.o. origin: AS47904 mnt-by: MNT-T-2 created: 2015-12-01T14:27:41Z last-modified: 2015-12-01T14:27:41Z 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