These entries are queried from radb.net using whois, you can try my project getting these.
:AS131926 route: 69.6.64.0/20 descr: Cable Television Saiki Co., Ltd. CIDR-block NO.3 X-Keiro : info [at] saiki.tv origin: AS131926 notify: ishitani [at] saiki.tv mnt-by: MAINT-AS131926 changed: ishitani [at] saiki.tv 20231208 source: JPIRR rpki-ov-state: valid route: 103.104.88.0/22 descr: Cable Television Saiki Co., Ltd. CIDR-block NO.1 X-Keiro : info [at] saiki.tv origin: AS131926 notify: ishitani [at] saiki.tv mnt-by: MAINT-AS131926 changed: ishitani [at] saiki.tv 20231208 source: JPIRR rpki-ov-state: valid route: 104.251.144.0/20 descr: Cable Television Saiki Co., Ltd. CIDR-block NO.4 X-Keiro : info [at] saiki.tv origin: AS131926 notify: ishitani [at] saiki.tv mnt-by: MAINT-AS131926 changed: ishitani [at] saiki.tv 20231208 source: JPIRR rpki-ov-state: valid route: 219.100.60.0/22 descr: Cable Television Saiki Co., Ltd. CIDR-block NO.2 X-Keiro : info [at] saiki.tv origin: AS131926 notify: ishitani [at] saiki.tv mnt-by: MAINT-AS131926 changed: ishitani [at] saiki.tv 20231208 source: JPIRR rpki-ov-state: valid