These entries are queried from radb.net using whois, you can try my project getting these.
:AS9743 route: 202.47.187.0/24 origin: AS9743 descr: Nippon EDUIX Group Sakuradai 5-DCC2 mnt-by: MAINT-MINORUIKEDA-JP last-modified: 2024-02-15T04:02:03Z source: APNIC rpki-ov-state: valid route6: 2001:df3:25c0::/48 origin: AS9743 descr: Nippon EDUIX Group Sakuradai 5-DCC2 mnt-by: MAINT-EDUIX-JP last-modified: 2024-02-15T04:01:39Z source: APNIC rpki-ov-state: valid