These entries are queried from radb.net using whois, you can try my project getting these.
:AS397356 route: 64.189.100.0/24 origin: AS397356 descr: APOGEE-EARLHAM-COLLEGE admin-c: AGS12-ARIN tech-c: RMA40-ARIN tech-c: TAMBU2-ARIN mnt-by: MNT-APOG created: 2022-07-28T20:29:37Z last-modified: 2022-07-28T20:29:37Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source