These entries are queried from radb.net using whois, you can try my project getting these.
:AS51816 route: 91.220.107.0/24 descr: Astec d.o.o. origin: AS51816 mnt-by: ASTEC-MNT created: 2010-11-10T13:15:50Z last-modified: 2010-11-10T13:15:50Z 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:2014::/48 descr: Astec d.o.o. origin: AS51816 mnt-by: ASTEC-MNT created: 2011-01-26T11:41:12Z last-modified: 2011-01-26T11:41:12Z 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: not_found # No ROAs found, or RPKI validation not enabled for source