These entries are queried from radb.net using whois, you can try my project getting these.
:AS23624 route: 14.14.96.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20180105 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 14.14.96.0/20 descr: Chukai-TV origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20230603 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 14.14.96.0/20 descr: Chukai-TV origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20171206 source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 14.14.112.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20201215 source: RADB last-modified: 2023-11-13T16:03:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 27.147.80.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20140110 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 27.147.80.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20131204 source: RADB last-modified: 2023-11-13T15:45:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.209.116.0/22 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20160223 source: RADB last-modified: 2023-11-13T15:48:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.209.116.0/22 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20160222 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.226.16.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20230208 source: NTTCOM last-modified: 2023-02-07T18:07:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.226.16.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20230207 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.59.112.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20050606 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.59.112.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20110419 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.81.80.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20110419 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.81.80.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20050606 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.128.0/22 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20190312 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.128.0/22 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20190312 source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.132.0/22 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20190312 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.132.0/22 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20190312 source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.136.0/21 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20190312 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.136.0/21 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20190312 source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.14.48.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20110419 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.14.48.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20060908 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.156.16.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20050606 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.156.16.0/20 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20110419 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.228.0/22 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20170117 source: RADB last-modified: 2023-11-13T15:50:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.228.0/22 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: catv [at] chukai.co.jp mnt-by: MAINT-AS23624 changed: tsukao [at] chukai.co.jp 20160222 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:fc8::/32 descr: Chukai Television Co,.Ltd. origin: AS23624 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20100303 source: RADB last-modified: 2023-11-13T15:40:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source