These entries are queried from radb.net using whois, you can try my project getting these.
:AS30324 route: 204.83.21.0/24 descr: SASKENERGY origin: AS30324 mnt-by: MAINT-AS803 changed: config [at] in.bell.ca 20110318 source: BELL rpki-ov-state: valid route: 204.83.21.0/24 origin: AS30324 descr: Sask Energy mnt-by: MAINT-AS21804 changed: network.operations [at] myaccess.coop 20220502 #22:37:42Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route: 204.83.22.0/24 descr: SASKENERGY origin: AS30324 mnt-by: MAINT-AS803 changed: config [at] in.bell.ca 20110318 source: BELL rpki-ov-state: valid route: 204.83.22.0/24 origin: AS30324 descr: Sask Energy mnt-by: MAINT-AS21804 changed: network.operations [at] myaccess.coop 20220502 #22:38:11Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route: 204.83.23.0/24 descr: Peer1 Route Object origin: AS30324 mnt-by: maint-as13768 changed: vee [at] peer1.net 20040825 changed: rerickson [at] peer1.com 20071129 source: RADB last-modified: 2023-11-13T15:39:54Z rpki-ov-state: valid route: 204.83.23.0/24 descr: SASKENERGY origin: AS30324 mnt-by: MAINT-AS803 changed: config [at] in.bell.ca 20110318 source: BELL rpki-ov-state: valid route: 204.83.24.0/24 origin: AS30324 descr: Sask Energy mnt-by: MAINT-AS21804 changed: network.operations [at] myaccess.coop 20220502 #22:27:12Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route: 204.83.24.0/24 descr: SASKENERGY3 origin: AS30324 mnt-by: MAINT-AS803 changed: config [at] in.bell.ca 20211108 source: BELL rpki-ov-state: valid