These entries are queried from radb.net using whois, you can try my project getting these.
:AS21681 route: 192.86.21.0/24 origin: AS21681 descr: Buggs Island Telephone was acquired by Empower. remarks: Geofeed https://geofeed.richweb.com/AS21681/geofeed.csv mnt-by: MAINT-AS32425 changed: jlarsen [at] richweb.com 20231211 # 1459Z source: RADB last-modified: 2023-12-11T14:59:35Z rpki-ov-state: valid route: 198.145.122.0/23 origin: AS21681 descr: Empower ISP Arin 2023 IP block remarks: Geofeed https://geofeed.richweb.com/AS21681/geofeed.csv mnt-by: MAINT-AS32425 changed: jlarsen [at] richweb.com 20231211 # 1507Z source: RADB last-modified: 2023-12-11T15:07:41Z rpki-ov-state: valid route: 198.145.122.0/23 origin: AS21681 descr: Mecklenburg Electric Cooperative remarks: Geofeed https://geofeed.richweb.com/AS21681/geofeed.csv admin-c: LONGD32-ARIN tech-c: CJL16-ARIN tech-c: GML30-ARIN tech-c: LONGD32-ARIN mnt-by: MNT-MEC-237 created: 2023-08-08T19:59:35Z last-modified: 2023-08-11T21:13:16Z source: ARIN rpki-ov-state: valid route: 198.145.122.0/24 origin: AS21681 descr: Mecklenburg Electric Cooperative remarks: Geofeed https://geofeed.richweb.com/AS21681/geofeed.csv admin-c: LONGD32-ARIN tech-c: CJL16-ARIN tech-c: GML30-ARIN tech-c: LONGD32-ARIN mnt-by: MNT-MEC-237 created: 2023-08-08T19:59:35Z last-modified: 2023-08-11T21:13:46Z source: ARIN rpki-ov-state: valid route: 198.145.123.0/24 origin: AS21681 descr: Mecklenburg Electric Cooperative remarks: Geofeed https://geofeed.richweb.com/AS21681/geofeed.csv admin-c: LONGD32-ARIN tech-c: CJL16-ARIN tech-c: GML30-ARIN tech-c: LONGD32-ARIN mnt-by: MNT-MEC-237 created: 2023-08-08T19:59:35Z last-modified: 2023-08-11T21:14:05Z source: ARIN rpki-ov-state: valid route: 199.196.191.0/24 origin: AS21681 descr: Mecklenburg Electric Cooperative is a single homed customer of Pixel Factory Datacenter AS32425 remarks: Geofeed https://geofeed.richweb.com/AS21681/geofeed.csv mnt-by: MAINT-AS32425 changed: jlarsen [at] richweb.com 20231211 # 1508Z source: RADB last-modified: 2023-12-11T15:08:40Z rpki-ov-state: valid route6: 2604:cf40::/32 origin: AS21681 descr: Mecklenburg Electric Cooperative will announce this ipv6 route remarks: Geofeed https://geofeed.richweb.com/AS21681/geofeed.csv mnt-by: MAINT-AS32425 changed: jlarsen [at] richweb.com 20231211 # 2024Z source: RADB last-modified: 2023-12-11T20:24:41Z rpki-ov-state: valid route6: 2604:cf40::/32 origin: AS21681 descr: Empower ipv6 ARIN allocation remarks: Geofeed https://geofeed.richweb.com/AS21681/geofeed.csv admin-c: LONGD32-ARIN tech-c: CJL16-ARIN tech-c: GML30-ARIN tech-c: LONGD32-ARIN mnt-by: MNT-MEC-237 created: 2023-12-11T20:22:18Z last-modified: 2023-12-11T20:22:18Z source: ARIN rpki-ov-state: valid