These entries are queried from radb.net using whois, you can try my project getting these.
:AS398016 route: 184.183.97.0/24 origin: AS398016 descr: SD remarks: Proxy object for AS398016 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: valid