These entries are queried from radb.net using whois, you can try my project getting these.
:AS203703 route: 192.100.96.0/23 origin: AS203703 mnt-by: BELWUE-MNT created: 2023-10-09T12:52:25Z last-modified: 2023-10-09T12:52:25Z 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