These entries are queried from radb.net using whois, you can try my project getting these.
:AS11964 route: 67.52.28.0/23 origin: AS11964 descr: Charter Communications Inc admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN mnt-by: MNT-CC-3517 remarks: This object was automatically created during a customer ROA generation created: 2023-08-09T19:00:15Z last-modified: 2023-08-09T19:00:15Z source: ARIN rpki-ov-state: valid route: 67.52.28.0/23 origin: AS11964 descr: Route object for customer Air Wisconsin admin-c: INO44-ARIN tech-c: INO44-ARIN notify: ispadmin [at] tdstelecom.com mnt-by: MAINT-TDST changed: rich.deprez [at] tdstelecom.com 20220318 #19:27:06Z source: RADB last-modified: 2023-11-13T16:10:09Z rpki-ov-state: valid route: 67.52.28.0/24 origin: AS11964 descr: Charter Communications Inc admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN mnt-by: MNT-CC-3517 remarks: This object was automatically created during a customer ROA generation created: 2023-08-09T19:00:15Z last-modified: 2023-08-09T19:00:15Z source: ARIN rpki-ov-state: valid route: 67.52.28.0/24 descr: RR-RC-Air Wisconsin Airlines Corp.-NEW origin: AS11964 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: valid route: 67.52.29.0/24 descr: RR-RC-Air Wisconsin Airlines Corp.-NEW origin: AS11964 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:01Z rpki-ov-state: valid route: 67.52.29.0/24 origin: AS11964 descr: Charter Communications Inc admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN mnt-by: MNT-CC-3517 remarks: This object was automatically created during a customer ROA generation created: 2023-08-09T19:00:15Z last-modified: 2023-08-09T19:00:15Z source: ARIN rpki-ov-state: valid route: 209.103.212.0/24 descr: RR-RC-Air Wisconsin Airlines Corp.-NEW origin: AS11964 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source