These entries are queried from radb.net using whois, you can try my project getting these.
:AS400125 route: 12.215.143.0/24 descr: RR-RC-Austin Arena Company-Texas origin: AS400125 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-RR changed: PublicIPAdressing [at] charter.com 20211216 source: RADB last-modified: 2023-11-13T16:15:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 97.105.2.0/24 descr: RR-RC-Austin Arena Company-Texas origin: AS400125 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-RR changed: PublicIPAdressing [at] charter.com 20211216 source: RADB last-modified: 2023-11-13T16:15:18Z rpki-ov-state: valid