These entries are queried from radb.net using whois, you can try my project getting these.
:AS40508 route: 205.243.64.0/21 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS40508 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.243.64.0/22 descr: MidAmerica Nazarene University origin: AS40508 mnt-by: MAINT-CCI changed: justin.hoff [at] consolidated.com 20150625 #15:30:14Z source: RADB last-modified: 2023-11-13T15:47:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.243.68.0/22 descr: MidAmerica Nazarene University origin: AS40508 mnt-by: MAINT-CCI changed: justin.hoff [at] consolidated.com 20150625 #15:43:53Z source: RADB last-modified: 2023-11-13T15:47:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source