These entries are queried from radb.net using whois, you can try my project getting these.
:AS43663 route: 91.198.96.0/24 descr: Maksim d.o.o. descr: Trg Celjskih knezov 2 descr: 3000 Celje descr: Slovenia origin: AS43663 mnt-by: AS5603-MNT created: 2007-09-10T08:45:34Z last-modified: 2014-11-06T11:32:36Z 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