These entries are queried from radb.net using whois, you can try my project getting these.
:AS6645 route: 72.45.197.0/24 descr: RR-RC-Olean General Hospital - Rochester origin: AS6645 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:01Z rpki-ov-state: valid