These entries are queried from radb.net using whois, you can try my project getting these.
:AS131969 route: 133.88.20.0/22 descr: SUZUYO SHINWART CORPORATION X-keiro : ss-eng [at] shinwart.co.jp origin: AS131969 mnt-by: MAINT-AS131969 changed: myabe [at] shinwart.co.jp 20240201 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.88.20.0/23 descr: SUZUYO SHINWART CORPORATION X-keiro : ss-eng [at] shinwart.co.jp origin: AS131969 mnt-by: MAINT-AS131969 changed: myabe [at] shinwart.co.jp 20240201 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.88.22.0/23 descr: SUZUYO SHINWART CORPORATION X-keiro : ss-eng [at] shinwart.co.jp origin: AS131969 mnt-by: MAINT-AS131969 changed: myabe [at] shinwart.co.jp 20240201 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2405:25c0:a200::/40 descr: SUZUYO SHINWART CORPORATION X-keiro : ss-eng [at] shinwart.co.jp origin: AS131969 mnt-by: MAINT-AS131969 changed: myabe [at] shinwart.co.jp 20240201 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2405:25c0:a2f1::/48 descr: SUZUYO SHINWART CORPORATION X-keiro : ss-eng [at] shinwart.co.jp origin: AS131969 mnt-by: MAINT-AS131969 changed: myabe [at] shinwart.co.jp 20240201 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2405:25c0:a2f2::/48 descr: SUZUYO SHINWART CORPORATION X-keiro : ss-eng [at] shinwart.co.jp origin: AS131969 mnt-by: MAINT-AS131969 changed: myabe [at] shinwart.co.jp 20240201 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source