These entries are queried from radb.net using whois, you can try my project getting these.
:AS23632 route: 103.171.252.0/23 descr: TV TSUYAMA CO.,LTD. origin: AS23632 notify: tech [at] ml.tvt.ne.jp mnt-by: MAINT-AS23632 changed: j_sumida [at] tvt.ne.jp 20240301 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.2.176.0/20 descr: TV TSUYAMA CO.,LTD. origin: AS23632 notify: tech [at] ml.tvt.ne.jp mnt-by: MAINT-AS23632 changed: j_sumida [at] tvt.ne.jp 20221001 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.2.176.0/21 descr: TV TSUYAMA CO.,LTD. origin: AS23632 notify: tech [at] ml.tvt.ne.jp mnt-by: MAINT-AS23632 changed: j_sumida [at] tvt.ne.jp 20240321 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.2.181.0/24 descr: TV TSUYAMA CO.,LTD. origin: AS23632 notify: tech [at] ml.tvt.ne.jp mnt-by: MAINT-AS23632 changed: j_sumida [at] tvt.ne.jp 20230701 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source