These entries are queried from radb.net using whois, you can try my project getting these.
:AS23816 route: 118.151.224.0/19 descr: YAHOOJAPAN-BLK origin: AS23816 mnt-by: MAINT-AS23816 changed: miytsune [at] yahoo-corp.jp 20101118 #03:40:54Z source: RADB last-modified: 2023-11-13T15:41:14Z rpki-ov-state: valid route: 124.147.32.0/19 descr: YAHOOJAPAN-BLK origin: AS23816 admin-c: YJ982-AP tech-c: YJ982-AP notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS23816 changed: notakasa [at] yahoo-corp.jp 20110524 #07:15:18Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route: 182.22.0.0/17 descr: YAHOOJAPAN-BLK origin: AS23816 mnt-by: MAINT-AS23816 changed: miytsune [at] yahoo-corp.jp 20101118 #03:41:14Z source: RADB last-modified: 2023-11-13T15:41:14Z rpki-ov-state: valid route: 202.93.64.0/19 descr: YAHOOJAPAN-BLK origin: AS23816 admin-c: YJ982-AP tech-c: YJ982-AP notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS23816 changed: notakasa [at] yahoo-corp.jp 20110524 #07:15:50Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route: 202.239.0.0/20 descr: YAHOOJAPAN-BLK origin: AS23816 mnt-by: MAINT-AS23816 changed: kaogawa [at] yahoo-corp.jp 20160210 #05:28:01Z source: RADB last-modified: 2023-11-13T15:48:33Z rpki-ov-state: valid route: 203.141.32.0/20 descr: YAHOOJAPAN-BLK origin: AS23816 admin-c: YJ982-AP tech-c: YJ982-AP notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS23816 changed: notakasa [at] yahoo-corp.jp 20110524 #07:16:52Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route: 203.216.224.0/19 descr: YAHOOJAPAN-BLK origin: AS23816 admin-c: YJ982-AP tech-c: YJ982-AP notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS23816 changed: notakasa [at] yahoo-corp.jp 20110524 #07:17:07Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route: 211.14.12.0/22 descr: YAHOOJAPAN-BLK origin: AS23816 admin-c: YJ982-AP tech-c: YJ982-AP notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS23816 changed: notakasa [at] yahoo-corp.jp 20110524 #07:17:22Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route: 211.14.20.0/22 descr: YAHOOJAPAN-BLK origin: AS23816 admin-c: YJ982-AP tech-c: YJ982-AP notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS23816 changed: notakasa [at] yahoo-corp.jp 20110524 #07:17:40Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route6: 2404:a600::/32 descr: YAHOOJAPAN-V6-BLK origin: AS23816 notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS23816 changed: notakasa [at] yahoo-corp.jp 20110524 #07:18:27Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid