These entries are queried from radb.net using whois, you can try my project getting these.
:AS397669 route: 104.238.227.0/24 descr: RR-RC-Northern Safety Co Inc-Upstate origin: AS397669 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20191205 #16:49:24Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source