These entries are queried from radb.net using whois, you can try my project getting these.
:AS23642 route: 202.4.250.0/24 descr: OBIS-NETWORK origin: AS23642 notify: obis-tech [at] obis.co.jp mnt-by: MAINT-AS23642 changed: tokinobu [at] obis.co.jp 20231220 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df0:1800::/48 descr: OBIS-IPV6 origin: AS23642 notify: obis-tech [at] obis.co.jp mnt-by: MAINT-AS23642 changed: tokinobu [at] obis.co.jp 20231220 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source