These entries are queried from radb.net using whois, you can try my project getting these.
:AS55065 route: 75.141.61.0/24 descr: CHTR-Fort HealthCare-Central origin: AS55065 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20231103 source: RADB last-modified: 2023-11-13T16:19:25Z rpki-ov-state: valid