These entries are queried from radb.net using whois, you can try my project getting these.
:AS54956 route: 198.136.217.0/24 origin: AS54956 descr: VELCO-CORP admin-c: BAKER1091-ARIN tech-c: BAKER1091-ARIN tech-c: DMS88-ARIN mnt-by: MNT-VEPC created: 2022-08-31T20:08:31Z last-modified: 2024-02-07T20:53:32Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source