These entries are queried from radb.net using whois, you can try my project getting these.
:AS58652 route: 133.97.0.0/16 descr: Kochi University origin: AS58652 mnt-by: MAINT-AS2907 changed: as2907 [at] sinet.ad.jp 20240401 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.97.0.0/16 descr: Kochi University IPv4 Address. origin: AS58652 admin-c: YK131-AP tech-c: YK131-AP notify: yu [at] kikuken.org mnt-by: MAINT-AS23929 changed: kayawake [at] foresightwave.net 20130604 #09:41:44Z source: RADB last-modified: 2023-11-13T15:45:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source