These entries are queried from radb.net using whois, you can try my project getting these.
:AS394286 route: 64.66.252.0/24 descr: RR-RC-CITY OF JOHNSON CITY-South origin: AS394286 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200526 #15:27:37Z 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: 74.4.20.0/24 descr: RR-RC-CITY OF JOHNSON CITY-South origin: AS394286 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200526 #15:27:37Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source