These entries are queried from radb.net using whois, you can try my project getting these.
:AS34866 route: 146.185.254.0/23 origin: AS34866 descr: MASTER-IT mnt-by: MNT-PIN created: 2021-08-16T14:16:48Z last-modified: 2021-08-16T14:16:48Z 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