These entries are queried from radb.net using whois, you can try my project getting these.
:AS54869 route: 44.15.0.0/16 descr: CHTR-ROCKMAN COMMUNICATIONS-Great Lakes origin: AS54869 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com source: RADB last-modified: 2024-03-07T21:27:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.210.76.0/22 origin: AS54869 descr: 240 N. Fenway Drive Fenton MI 48430 United States admin-c: FSM9-ARIN tech-c: FSM9-ARIN mnt-by: MNT-RC-397 created: 2024-02-22T16:44:19Z last-modified: 2024-02-22T16:44:19Z source: ARIN rpki-ov-state: valid route: 162.210.76.0/22 descr: Proxy for Rockman Communications INC. origin: AS54869 mnt-by: MAINT-CHTR-WD changed: kyle.edwards [at] charter.com 20161205 #23:52:18Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route: 198.105.224.0/21 origin: AS54869 descr: 240 N. Fenway Drive Fenton MI 48430 United States admin-c: FSM9-ARIN tech-c: FSM9-ARIN mnt-by: MNT-RC-397 created: 2024-02-22T16:43:32Z last-modified: 2024-02-22T16:43:32Z source: ARIN rpki-ov-state: valid route: 198.105.224.0/21 descr: Proxy for Rockman Communications INC. origin: AS54869 mnt-by: MAINT-CHTR-WD changed: kyle.edwards [at] charter.com 20161205 #23:51:58Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route: 216.126.215.0/24 descr: Proxy for Rockman Communications INC. origin: AS54869 mnt-by: MAINT-CHTR-WD changed: kyle.edwards [at] charter.com 20161205 #23:52:37Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route: 216.126.215.0/24 origin: AS54869 descr: 240 N. Fenway Drive Fenton MI 48430 United States admin-c: FSM9-ARIN tech-c: FSM9-ARIN mnt-by: MNT-RC-397 created: 2024-02-22T16:44:56Z last-modified: 2024-02-22T16:44:56Z source: ARIN rpki-ov-state: valid route6: 2602:fff4::/32 descr: Proxy for Rockman Communications origin: AS54869 mnt-by: MAINT-CHTR-WD changed: jugraj.singh [at] charter.com 20170905 #19:44:56Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route6: 2602:fff4::/32 origin: AS54869 descr: 240 N. Fenway Drive Fenton MI 48430 United States admin-c: FSM9-ARIN tech-c: FSM9-ARIN mnt-by: MNT-RC-397 created: 2024-02-21T23:46:39Z last-modified: 2024-02-21T23:46:39Z source: ARIN rpki-ov-state: valid