These entries are queried from radb.net using whois, you can try my project getting these.
:AS43106 route: 91.108.44.0/22 descr: Nevacom origin: AS43106 mnt-by: MNT-GLOBAL-NET mnt-by: NEVACOM-MNT created: 2018-01-25T12:49:04Z last-modified: 2018-01-25T12:49:04Z 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