These entries are queried from radb.net using whois, you can try my project getting these.
:AS7527 route: 210.171.226.0/23 descr: JPIX origin: AS7527 notify: nic-contact [at] jpix.ad.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20230301 source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: valid route: 210.171.226.0/23 descr: JPIX origin: AS7527 notify: nic-contact [at] jpix.ad.jp mnt-by: MAINT-AS7527 changed: shigeta [at] jpix.ad.jp 20240301 source: JPIRR rpki-ov-state: valid route: 210.171.228.0/22 descr: JPIX origin: AS7527 notify: nic-contact [at] jpix.ad.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20230301 source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: valid route: 210.171.228.0/22 descr: JPIX origin: AS7527 notify: nic-contact [at] jpix.ad.jp mnt-by: MAINT-AS7527 changed: shigeta [at] jpix.ad.jp 20240301 source: JPIRR rpki-ov-state: valid route: 210.171.232.0/21 descr: T-JPIX X-Keiro: nic-contact [at] jpix.ad.jp origin: AS7527 notify: nic-contact [at] jpix.ad.jp mnt-by: MAINT-AS7527 changed: kunitake [at] jpix.ad.jp 20230808 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2400:3000::/32 descr: JPIX origin: AS7527 notify: nic-contact [at] jpix.ad.jp mnt-by: MAINT-AS7527 changed: kunitake [at] jpix.ad.jp 20230601 source: JPIRR rpki-ov-state: valid