These entries are queried from radb.net using whois, you can try my project getting these.
:AS203153 route: 212.73.154.0/24 origin: AS203153 mnt-by: lir-ch-avasad-1-MNT created: 2022-08-26T10:31:48Z last-modified: 2022-08-26T10:31:48Z 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