These entries are queried from radb.net using whois, you can try my project getting these.
:AS206541 route: 91.90.233.0/24 origin: AS206541 descr: Kreiss, sia route mnt-by: TELENETSIA-MNT created: 2016-12-22T12:55:12Z last-modified: 2016-12-22T12:55:12Z 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