These entries are queried from radb.net using whois, you can try my project getting these.
:AS63773 route: 103.96.229.0/24 descr: dual&Co. Inc. X-keiro : nog [at] dual.tokyo origin: AS63773 notify: nog [at] dual.tokyo mnt-by: MAINT-AS63773 changed: nog [at] dual.tokyo 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.226.40.0/22 descr: dual&Co. Inc. X-keiro : nog [at] dual.tokyo origin: AS63773 notify: nog [at] dual.tokyo mnt-by: MAINT-AS63773 changed: nog [at] dual.tokyo 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df1:e500::/48 descr: dual&Co. Inc. X-keiro : nog [at] dual.tokyo origin: AS63773 notify: nog [at] dual.tokyo mnt-by: MAINT-AS63773 changed: nog [at] dual.tokyo 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2404:e040::/32 descr: dual&Co. Inc. X-keiro : nog [at] dual.tokyo origin: AS63773 notify: nog [at] dual.tokyo mnt-by: MAINT-AS63773 changed: nog [at] dual.tokyo 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source