These entries are queried from radb.net using whois, you can try my project getting these.
:AS10002 route: 61.114.64.0/20 descr: Igaueno Cable Television Co.,Ltd X-keiro : tetsu [at] ict-tv.co.jp origin: AS10002 notify: as10002 [at] ict.ne.jp mnt-by: MAINT-AS10002 changed: tetsu [at] ict-t.tv.co.jp 20230511 source: JPIRR rpki-ov-state: valid route: 61.114.64.0/20 descr: ICT origin: AS10002 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20010109 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: valid route: 61.195.128.0/20 descr: ICT origin: AS10002 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20010820 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: valid route: 61.195.128.0/20 descr: Igaueno Cable Television Co.,Ltd X-keiro : tetsu [at] ict-tv.co.jp origin: AS10002 notify: as10002 [at] ict.ne.jp mnt-by: MAINT-AS10002 changed: tetsu [at] ict-t.tv.co.jp 20230511 source: JPIRR rpki-ov-state: valid route: 120.50.224.0/19 descr: IGAUENO CABLE TELEVISION CO.,LTD origin: AS10002 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20080327 source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: valid route: 120.50.224.0/19 descr: Igaueno Cable Television Co.,Ltd X-keiro : tetsu [at] ict-tv.co.jp origin: AS10002 notify: as10002 [at] ict.ne.jp mnt-by: MAINT-AS10002 changed: tetsu [at] ict-t.tv.co.jp 20230511 source: JPIRR rpki-ov-state: valid route: 120.72.0.0/20 descr: Igaueno Cable Television Co.,Ltd X-keiro : tetsu [at] ict-tv.co.jp origin: AS10002 notify: as10002 [at] ict.ne.jp mnt-by: MAINT-AS10002 changed: tetsu [at] ict-t.tv.co.jp 20230511 source: JPIRR rpki-ov-state: valid route: 120.72.0.0/20 descr: IGAUENO CABLE TELEVISION CO.,LTD origin: AS10002 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20080327 source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: valid route: 202.180.192.0/20 descr: ICT origin: AS10002 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20040223 source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: valid route: 202.180.192.0/20 descr: Igaueno Cable Television Co.,Ltd X-keiro : tetsu [at] ict-tv.co.jp origin: AS10002 notify: as10002 [at] ict.ne.jp mnt-by: MAINT-AS10002 changed: tetsu [at] ict-t.tv.co.jp 20230511 source: JPIRR rpki-ov-state: valid route6: 2400:8300::/32 descr: ICT origin: AS10002 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20110519 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route6: 2400:8300::/32 descr: Igaueno Cable Television Co.,Ltd X-keiro : tetsu [at] ict-tv.co.jp origin: AS10002 notify: as10002 [at] ict.ne.jp mnt-by: MAINT-AS10002 changed: tetsu [at] ict-t.tv.co.jp 20230511 source: JPIRR rpki-ov-state: valid