These entries are queried from radb.net using whois, you can try my project getting these.
:AS63775 route: 122.202.24.0/21 origin: AS63775 descr: Yakage Cable Television.Co.,Ltd mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200805 #22:52:26Z source: RADB last-modified: 2023-11-13T16:01:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 122.202.24.0/21 descr: Yakage Cable Television.Co.,Ltd origin: AS63775 mnt-by: MAINT-AS7670 changed: ry-naito [at] enecom.co.jp 20240409 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 122.202.24.0/22 descr: Yakage Cable Television.Co.,Ltd origin: AS63775 mnt-by: MAINT-AS7670 changed: ry-naito [at] enecom.co.jp 20240409 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 122.202.24.0/22 origin: AS63775 descr: Yakage Cable Television.Co.,Ltd mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200805 #22:50:52Z source: RADB last-modified: 2023-11-13T16:01:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 122.202.28.0/22 descr: Yakage Cable Television.Co.,Ltd origin: AS63775 mnt-by: MAINT-AS7670 changed: ry-naito [at] enecom.co.jp 20240409 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 122.202.28.0/22 origin: AS63775 descr: Yakage Cable Television.Co.,Ltd mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200805 #22:45:57Z source: RADB last-modified: 2023-11-13T16:01:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 122.202.28.0/23 descr: Yakage Cable Television.Co.,Ltd origin: AS63775 mnt-by: MAINT-AS7670 changed: ry-naito [at] enecom.co.jp 20240409 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 122.202.28.0/23 origin: AS63775 descr: Yakage Cable Television.Co.,Ltd mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200805 #22:51:40Z source: RADB last-modified: 2023-11-13T16:01:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 122.202.30.0/23 origin: AS63775 descr: Yakage Cable Television.Co.,Ltd mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200805 #22:48:58Z source: RADB last-modified: 2023-11-13T16:01:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 122.202.30.0/23 descr: Yakage Cable Television.Co.,Ltd origin: AS63775 mnt-by: MAINT-AS7670 changed: ry-naito [at] enecom.co.jp 20240409 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source