These entries are queried from radb.net using whois, you can try my project getting these.
:AS197536 route: 91.223.39.0/24 descr: Kovintrade d.d. Celje origin: AS197536 mnt-by: AS5603-MNT created: 2011-01-26T07:35:42Z last-modified: 2011-01-26T07:35:42Z 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