These entries are queried from radb.net using whois, you can try my project getting these.
:AS24259 route: 103.2.32.0/22 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 103.2.32.0/22 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20110530 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route: 103.246.68.0/22 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 103.246.68.0/22 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20140605 source: RADB last-modified: 2023-11-13T15:46:33Z rpki-ov-state: valid route: 123.255.232.0/21 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20110601 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route: 123.255.232.0/21 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 124.110.192.0/21 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 124.110.192.0/21 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20230225 source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: valid route: 133.88.79.0/24 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 133.88.79.0/24 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20210421 source: RADB last-modified: 2023-11-13T16:05:30Z rpki-ov-state: valid route: 133.88.80.0/22 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20210421 source: RADB last-modified: 2023-11-13T16:05:30Z rpki-ov-state: valid route: 133.88.80.0/22 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 133.88.84.0/23 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20210421 source: RADB last-modified: 2023-11-13T16:05:30Z rpki-ov-state: valid route: 133.88.84.0/23 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 133.88.86.0/24 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20210421 source: RADB last-modified: 2023-11-13T16:05:30Z rpki-ov-state: valid route: 133.88.86.0/24 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 157.120.120.0/22 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20190313 source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: valid route: 157.120.120.0/22 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 202.80.96.0/21 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 202.80.96.0/21 descr: Kanuma Cable Television Corporation origin: AS24259 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20090414 source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: valid route: 202.89.240.0/21 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 202.89.240.0/21 descr: Kanuma Cable Television Corporation origin: AS24259 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20090414 source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: valid route: 202.127.176.0/20 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 202.127.176.0/20 descr: Kanuma Cable Television Corporation origin: AS24259 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20090414 source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: valid route: 203.188.208.0/21 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid route: 203.188.208.0/21 descr: Kanuma Cable Television Corporation origin: AS24259 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20090414 source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: valid route6: 2402:b9c0::/32 descr: Kanuma Cable Television Corporation origin: AS24259 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20190313 source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: valid route6: 2402:b9c0::/32 descr: Kanuma Cable Television Corporation X-Keiro : azzan [at] bc9.ne.jp expire=24 origin: AS24259 notify: azzan [at] bc9.ne.jp mnt-by: MAINT-AS24259 changed: azzan [at] bc9.ne.jp 20230226 source: JPIRR rpki-ov-state: valid