These entries are queried from radb.net using whois, you can try my project getting these.
:AS44823 route: 193.16.152.0/24 descr: Engrotus d.o.o. origin: AS44823 mnt-by: TELEMACH-MNT created: 2008-06-12T09:33:09Z last-modified: 2018-01-17T12:24:12Z 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: valid