These entries are queried from radb.net using whois, you can try my project getting these.
:AS397848 route: 64.66.36.0/24 origin: AS397848 descr: POB 679 Story WY 82842 United States admin-c: VAALA1-ARIN tech-c: VAALA1-ARIN mnt-by: MNT-VB-54 created: 2022-08-09T14:45:58Z last-modified: 2022-08-09T14:45:58Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.66.36.0/24 descr: CHTR-Viking Broadband-West origin: AS397848 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210525 #15:51:01Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.66.37.0/24 descr: CHTR-Viking Broadband-West origin: AS397848 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210525 #15:51:01Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.66.37.0/24 origin: AS397848 descr: POB 679 Story WY 82842 United States admin-c: VAALA1-ARIN tech-c: VAALA1-ARIN mnt-by: MNT-VB-54 created: 2022-08-09T14:46:43Z last-modified: 2022-08-09T14:46:43Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.66.38.0/24 origin: AS397848 descr: POB 679 Story WY 82842 United States admin-c: VAALA1-ARIN tech-c: VAALA1-ARIN mnt-by: MNT-VB-54 created: 2022-08-09T14:48:05Z last-modified: 2022-08-09T14:48:05Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.66.38.0/24 descr: CHTR-Viking Broadband-West origin: AS397848 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210525 #15:51:01Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.66.39.0/24 descr: VIKING Broadband, Inc.POB 679 Story, WY 82842 United States origin: AS397848 mnt-by: MNT-VB-54 changed: dvaala [at] vikingcable.net 20190821 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.158.182.0/24 descr: CHTR-Viking Broadband-Northwest origin: AS397848 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210715 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.185.216.0/22 descr: CHTR-Viking Broadband-West origin: AS397848 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210525 #15:51:01Z source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source