These entries are queried from radb.net using whois, you can try my project getting these.
:AS59093 route: 103.230.168.0/22 descr: IMABARI CATV CORPORATION X-Keiro : ishimura [at] icknet.ne.jp origin: AS59093 notify: ishimura [at] icknet.ne.jp mnt-by: MAINT-AS59093 changed: ishimura [at] icknet.ne.jp 20240311 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.247.104.0/21 descr: IMABARI CATV CORPORATION X-Keiro : ishimura [at] icknet.ne.jp origin: AS59093 notify: ishimura [at] icknet.ne.jp mnt-by: MAINT-AS59093 changed: ishimura [at] icknet.ne.jp 20240311 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2407:eac0::/32 descr: IMABARI CATV CORPORATION X-Keiro : ishimura [at] icknet.ne.jp origin: AS59093 notify: ishimura [at] icknet.ne.jp mnt-by: MAINT-AS59093 changed: ishimura [at] icknet.ne.jp 20240311 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source