These entries are queried from radb.net using whois, you can try my project getting these.
:AS24262 route: 202.122.136.0/21 descr: HAMANASU INFORMATION Co., Ltd. origin: AS24262 notify: info [at] hamanasu.ad.jp mnt-by: MAINT-AS24262 changed: info [at] hamanasu.ad.jp 20230901 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:9b40::/32 descr: HAMANASU INFORMATION Co., Ltd. origin: AS24262 notify: info [at] hamanasu.ad.jp mnt-by: MAINT-AS24262 changed: info [at] hamanasu.ad.jp 20230901 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source