These entries are queried from radb.net using whois, you can try my project getting these.
:AS14749 route: 50.30.112.0/22 origin: AS14749 descr: RR-RC-RUSSELLVILLE-ELECTRIC-PLANT-BOARD mnt-by: MAINT-AS393444 changed: chris.williams [at] openfiberky.com 20220504 #20:11:17Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route: 50.30.120.0/24 origin: AS14749 descr: RR-RC-RUSSELLVILLE-ELECTRIC-PLANT-BOARD mnt-by: MAINT-AS393444 changed: chris.williams [at] openfiberky.com 20220504 #20:09:37Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route: 50.30.121.0/24 origin: AS14749 descr: RR-RC-RUSSELLVILLE-ELECTRIC-PLANT-BOARD mnt-by: MAINT-AS393444 changed: chris.williams [at] openfiberky.com 20220504 #20:14:55Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route: 63.251.248.0/23 descr: PNAP-SFJ avantgo origin: AS14749 mnt-by: MAINT-AS1828 changed: sam [at] internap.com 20000309 source: RADB last-modified: 2023-11-13T16:14:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.94.74.0/23 descr: PNAP-SFJ AVANTGO-DOM origin: AS14749 mnt-by: MAINT-AS1828 changed: kjones [at] internap.com 20000925 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.255.253.0/24 origin: AS14749 descr: RR-RC-RUSSELLVILLE-ELECTRIC-PLANT-BOARD mnt-by: MAINT-AS393444 changed: chris.williams [at] openfiberky.com 20220504 #20:14:18Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route: 66.255.254.0/24 origin: AS14749 descr: RR-RC-RUSSELLVILLE-ELECTRIC-PLANT-BOARD mnt-by: MAINT-AS393444 changed: chris.williams [at] openfiberky.com 20220504 #20:12:22Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route: 162.212.136.0/21 origin: AS14749 descr: RR-RC-RUSSELLVILLE-ELECTRIC-PLANT-BOARD mnt-by: MAINT-AS393444 changed: daryl.morrell [at] openfiberky.com 20220504 #20:02:46Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route: 199.242.223.0/24 origin: AS14749 descr: RR-RC-RUSSELLVILLE-ELECTRIC-PLANT-BOARD mnt-by: MAINT-AS393444 changed: daryl.morrell [at] openfiberky.com 20230829 #02:02:36Z source: RADB last-modified: 2023-11-13T16:18:19Z rpki-ov-state: valid route6: 2606:fbc0::/32 origin: AS14749 descr: RR-RC-Russellville Electric Plant Board mnt-by: MAINT-AS393444 changed: daryl.morrell [at] openfiberky.com 20230417 #21:15:37Z source: RADB last-modified: 2023-11-13T16:16:02Z rpki-ov-state: valid