These entries are queried from radb.net using whois, you can try my project getting these.
:AS22708 route: 170.76.202.0/24 descr: RR-RC-Cavaliers Operating Company-Central origin: AS22708 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200124 #20:20:40Z 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: 207.89.45.0/24 descr: RR-RC-Cavaliers Operating Company, LLC-Cleveland origin: AS22708 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source