These entries are queried from radb.net using whois, you can try my project getting these.
:AS396843 route: 204.86.216.0/23 descr: RR-RC-DEAN HEALTH-Midwest origin: AS396843 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20190528 #22:09:06Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.86.217.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS396843 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.86.224.0/23 descr: RR-RC-Dean Health Plan-Midwest origin: AS396843 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source