These entries are queried from radb.net using whois, you can try my project getting these.
:AS31497 route: 193.16.103.0/24 descr: CMVM origin: AS31497 mnt-lower: AS12353-MNT mnt-routes: AS12353-MNT mnt-by: AS12353-MNT created: 2021-03-25T14:01:30Z last-modified: 2021-03-25T14:01:30Z 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