These entries are queried from radb.net using whois, you can try my project getting these.
:AS395286 route: 24.240.147.0/24 descr: CHTR-BELOIT HEALTH SYSTEM-Central origin: AS395286 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20220316 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: valid