These entries are queried from radb.net using whois, you can try my project getting these.
:AS46243 route: 216.162.201.0/24 origin: AS46243 descr: Route for 216.162.201.0/24 admin-c: ESR2-ARIN tech-c: ESR2-ARIN tech-c: SSE112-ARIN mnt-by: MNT-NBDL-3 created: 2024-02-03T17:09:01Z last-modified: 2024-02-03T17:09:01Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source