These entries are queried from radb.net using whois, you can try my project getting these.
:AS15664 route: 91.213.89.0/24 descr: Business Solutions d.o.o. origin: AS15664 mnt-by: MNT-T-2 created: 2009-08-26T07:22:52Z last-modified: 2009-11-09T08:03:38Z 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