These entries are queried from radb.net using whois, you can try my project getting these.
:AS397150 route: 63.134.186.0/24 origin: AS397150 mnt-by: MNT-UH-93 descr: Union Hospital Inc 1606 N 7th St Terre Haute, IN 47804 tech-c: LINDS120-ARIN admin-c: LINDS120-ARIN source: ARIN created: 2020-10-28T05:58:53Z last-modified: 2020-10-28T05:58:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source