These entries are queried from radb.net using whois, you can try my project getting these.
:AS399028 route: 204.89.56.0/24 origin: AS399028 descr: Route for downstream customer Meadowbrook, Inc mnt-by: MAINT-AS17054 changed: do-not-reply [at] merit.edu 20221212 #17:25:50Z source: RADB last-modified: 2023-11-13T16:13:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.107.139.0/24 origin: AS399028 descr: Route for downstream customer Meadowbrook, Inc mnt-by: MAINT-AS17054 changed: do-not-reply [at] merit.edu 20221212 #17:26:14Z source: RADB last-modified: 2023-11-13T16:13:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source