These entries are queried from radb.net using whois, you can try my project getting these.
:AS18121 route: 103.241.208.0/23 descr: incl origin: AS18121 notify: contact [at] incl.ad.jp mnt-by: MAINT-AS18121 changed: contact [at] incl.ad.jp 20230731 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.241.208.0/24 descr: incl origin: AS18121 notify: contact [at] incl.ad.jp mnt-by: MAINT-AS18121 changed: contact [at] incl.ad.jp 20230731 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.94.192.0/20 descr: INCL origin: AS18121 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4722 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20090830 source: RADB last-modified: 2023-11-13T15:40:19Z rpki-ov-state: valid route: 180.94.192.0/20 descr: INCL origin: AS18121 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4725 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20230224 source: JPIRR rpki-ov-state: valid route: 180.94.208.0/21 descr: INCL origin: AS18121 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4722 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20090830 source: RADB last-modified: 2023-11-13T15:40:19Z rpki-ov-state: valid route: 180.94.208.0/21 descr: INCL origin: AS18121 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4725 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20230224 source: JPIRR rpki-ov-state: valid route: 202.222.32.0/19 descr: INCL origin: AS18121 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4722 changed: taira [at] gw.odn.ad.jp 20110731 source: RADB last-modified: 2023-11-13T15:41:20Z rpki-ov-state: valid route: 202.222.32.0/19 descr: INCL origin: AS18121 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4725 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20230315 source: JPIRR rpki-ov-state: valid route: 219.121.224.0/19 descr: INCL origin: AS18121 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4725 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20230315 source: JPIRR rpki-ov-state: valid route: 219.121.224.0/19 descr: INCL origin: AS18121 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4722 changed: ito [at] gw.odn.ad.jp 20110731 source: RADB last-modified: 2023-11-13T15:41:20Z rpki-ov-state: valid route6: 2404:a00::/32 descr: INCL origin: AS18121 mnt-by: MAINT-AS2497 changed: morita [at] iij.ad.jp 20110524 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route6: 2404:a00::/32 descr: INCL origin: AS18121 mnt-by: MAINT-AS2497 changed: shuhei-o [at] iij.ad.jp 20231215 source: JPIRR rpki-ov-state: valid