These entries are queried from radb.net using whois, you can try my project getting these.
:AS17956 route: 133.9.0.0/16 descr: WASEDA University origin: AS17956 mnt-by: MAINT-AS2907 changed: as2907 [at] sinet.ad.jp 20230712 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.9.0.0/16 descr: Waseda University origin: AS17956 notify: domain [at] list.waseda.jp mnt-by: MAINT-AS17956 changed: noc [at] noc.kddnet.ad.jp 20060817 source: RADB last-modified: 2023-11-13T15:39:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source