These entries are queried from radb.net using whois, you can try my project getting these.
:AS24264 route: 202.13.160.0/20 descr: Kanazawa Institute of Technology origin: AS24264 mnt-by: MAINT-AS2907 changed: as2907 [at] sinet.ad.jp 20240301 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.13.160.0/20 descr: Kanazawa Institute of Technology origin: AS24264 mnt-by: MAINT-AS7684 changed: s-kinoshita [at] sakura.ad.jp 20100819 source: RADB last-modified: 2023-11-13T15:41:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source