These entries are queried from radb.net using whois, you can try my project getting these.
:AS20314 route: 204.76.64.0/18 descr: SDN Communications on behalf of ConAgra Foods origin: AS20314 mnt-by: MAINT-AS13576 changed: chris.schuette [at] sdncommunications.com 20171101 #13:50:15Z source: RADB last-modified: 2023-11-13T15:52:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.76.64.0/20 descr: SDNET on behalf of Conagra Frozen Foods origin: AS20314 mnt-by: MAINT-AS13576 changed: trevor.lawhorn [at] sdncommunications.com 20171020 #15:49:22Z source: RADB last-modified: 2023-11-13T15:51:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.76.81.0/24 descr: SDN Communications on behalf of Conagra Foods. origin: AS20314 mnt-by: MAINT-AS13576 changed: chris.schuette [at] sdncommunications.com 20171031 #16:21:17Z source: RADB last-modified: 2023-11-13T15:52:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source