These entries are queried from radb.net using whois, you can try my project getting these.
:AS20014 route: 64.33.238.0/24 descr: SDNET on behalf of West River Cooperative Telephone Company origin: AS20014 mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20180405 #14:48:35Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: valid route: 64.33.238.0/24 origin: AS20014 descr: SDN Customer West River Telephone admin-c: SCA2-ARIN tech-c: SCTA-ARIN mnt-by: MNT-SDN created: 2024-04-10T22:02:16Z last-modified: 2024-04-10T22:02:16Z source: ARIN rpki-ov-state: valid route: 64.33.242.0/24 origin: AS20014 descr: SDN Customer West River Telecphone admin-c: SCA2-ARIN tech-c: SCTA-ARIN mnt-by: MNT-SDN created: 2024-04-11T14:59:45Z last-modified: 2024-04-11T14:59:45Z source: ARIN rpki-ov-state: valid route: 64.33.242.0/24 descr: SDNET on behalf of West River Cooperative Telephone Company origin: AS20014 mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20180405 #14:49:05Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: valid route: 66.115.241.0/24 origin: AS20014 descr: SDN Customer West River Cooperative Telephone Company admin-c: SCA2-ARIN tech-c: SCTA-ARIN mnt-by: MNT-SDN created: 2024-04-11T15:26:20Z last-modified: 2024-04-11T15:26:20Z source: ARIN rpki-ov-state: valid route: 66.115.241.0/24 descr: SDNET on behalf of WRTC (West River Coop Telephone Company) origin: AS20014 mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20150302 #22:01:47Z source: RADB last-modified: 2023-11-13T15:47:20Z rpki-ov-state: valid route: 192.173.0.0/24 descr: SDNET on behalf of West River Cooperative Telephone Company origin: AS20014 mnt-by: MAINT-AS13576 changed: chris.schuette [at] sdncommunications.com 20150720 #18:35:30Z source: RADB last-modified: 2023-11-13T15:47:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.71.216.0/21 descr: SDNET on behalf of West River Cooperative Telephone Company origin: AS20014 mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20180405 #14:36:50Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.151.177.0/24 origin: AS20014 descr: SDN Customer West River Cooperative Telephone Company admin-c: SCA2-ARIN tech-c: SCTA-ARIN mnt-by: MNT-SDN created: 2024-04-11T15:26:58Z last-modified: 2024-04-11T15:26:58Z source: ARIN rpki-ov-state: valid route: 209.151.177.0/24 origin: AS20014 descr: SDN Communicatiosn on behalf of West River Telephone Company mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20220523 #20:12:31Z source: RADB last-modified: 2023-11-13T16:11:22Z rpki-ov-state: valid