These entries are queried from radb.net using whois, you can try my project getting these.
:AS398432 route: 8.18.235.0/24 descr: CHTR-WANRack-Central origin: AS398432 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20230913 source: RADB last-modified: 2023-11-13T16:18:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source