These entries are queried from radb.net using whois, you can try my project getting these.
:AS399319 route: 208.52.149.0/24 origin: AS399319 descr: Minnesota Limited LLC mnt-by: MAINT-AS14371 changed: showard [at] paulbunyan.net 20210215 #22:23:10Z source: RADB last-modified: 2023-11-13T16:11:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.114.65.0/24 descr: CyrusOne-Proxy for Customer origin: AS399319 notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20240409 source: RADB last-modified: 2024-04-09T16:11:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source