These entries are queried from radb.net using whois, you can try my project getting these.
:AS59111 route: 103.52.132.0/24 descr: AIU-CIDR-BLOCK X-Keiro : noc [at] aiu.ac.jp origin: AS59111 notify: noc [at] aiu.ac.jp notify: nic-notify [at] cna-catv.co.jp mnt-by: MAINT-AS59111 changed: noc [at] aiu.ac.jp 20230904 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df2:fc00::/48 descr: AIU-CIDR-BLOCK-V6 X-Keiro : noc [at] aiu.ac.jp origin: AS59111 notify: noc [at] aiu.ac.jp notify: nic-notify [at] cna-catv.co.jp mnt-by: MAINT-AS59111 changed: noc [at] aiu.ac.jp 20230904 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source