These entries are queried from radb.net using whois, you can try my project getting these.
:AS36152 route: 63.85.214.0/24 descr: SDNET on behalf of Daktronics origin: AS36152 mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20150226 #21:55:24Z source: RADB last-modified: 2023-11-13T15:47:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.225.0.0/24 descr: SDNET register for DAKTRONICS origin: AS36152 mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20150508 #14:15:33Z source: RADB last-modified: 2023-11-13T15:47:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:9b:8000::/40 descr: SDN Communications registed on behalf of Daktronics origin: AS36152 mnt-by: MAINT-AS13576 changed: chris.schuette [at] sdncommunications.com 20171026 #20:09:02Z source: RADB last-modified: 2023-11-13T15:51:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source