These entries are queried from radb.net using whois, you can try my project getting these.
:AS395721 route: 192.81.9.0/24 descr: RR-RC-BLUE CROSS BLUE SHIELD-Central origin: AS395721 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-RR changed: PublicIPAdressing [at] charter.com 20230627 source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source