These entries are queried from radb.net using whois, you can try my project getting these.
:AS24279 route: 14.15.64.0/21 descr: Sendai CATV CIDR BLOCK 6 origin: AS24279 notify: nic [at] cat-v.co.jp mnt-by: MAINT-AS24279 changed: hanada [at] cat-v.co.jp 20231003 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 14.15.64.0/21 descr: Sendai CATV CIDER BLOCK 6 origin: AS24279 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20210826 source: RADB last-modified: 2023-11-13T16:08:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.252.0/22 descr: Sendai CATV CIDER BLOCK 4 origin: AS24279 notify: nic [at] cat-v.co.jp mnt-by: MAINT-AS24279 changed: hanada [at] cat-v.co.jp 20231003 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 110.232.136.0/22 descr: Sendai CATV CIDR BLOCK 2 origin: AS24279 notify: nic [at] cat-v.co.jp mnt-by: MAINT-AS24279 changed: hanada [at] cat-v.co.jp 20231003 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 114.31.216.0/21 descr: Sendai CATV CIDR BLOCK 3 origin: AS24279 notify: nic [at] cat-v.co.jp mnt-by: MAINT-AS24279 changed: hanada [at] cat-v.co.jp 20231003 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.226.140.0/22 descr: Sendai CATV CIDR BLOCK 7 origin: AS24279 notify: nic [at] cat-v.co.jp mnt-by: MAINT-AS24279 changed: hanada [at] cat-v.co.jp 20231003 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.226.144.0/20 descr: Sendai CATV CIDR BLOCK 8 origin: AS24279 notify: nic [at] cat-v.co.jp mnt-by: MAINT-AS24279 changed: hanada [at] cat-v.co.jp 20231003 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.162.80.0/20 descr: Sendai CATV CIDR BLOCK 1 origin: AS24279 notify: nic [at] cat-v.co.jp mnt-by: MAINT-AS24279 changed: hanada [at] cat-v.co.jp 20231003 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.192.0/22 descr: Sendai CATV CIDR BLOCK 5 origin: AS24279 notify: nic [at] cat-v.co.jp mnt-by: MAINT-AS24279 changed: hanada [at] cat-v.co.jp 20231003 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2403:1240::/32 descr: Sendai CATV IPv6 BLOCK 1 origin: AS24279 notify: nic [at] cat-v.co.jp mnt-by: MAINT-AS24279 changed: hanada [at] cat-v.co.jp 20231003 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source