These entries are queried from radb.net using whois, you can try my project getting these.
:AS23780 route: 49.128.24.0/21 descr: CTB Media Inc. origin: AS23780 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20101209 source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.128.24.0/21 descr: CTB Media Inc. origin: AS23780 notify: nw-team [at] ctb.ne.jp mnt-by: MAINT-AS23780 changed: hayata [at] t-ctb.co.jp 20230601 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.128.96.0/22 descr: CTB Media Inc. origin: AS23780 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20101209 source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.128.96.0/22 descr: CTB Media Inc. origin: AS23780 notify: nw-team [at] ctb.ne.jp mnt-by: MAINT-AS23780 changed: hayata [at] t-ctb.co.jp 20230601 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.201.52.0/22 descr: CTB Media Inc. origin: AS23780 notify: nw-team [at] ctb.ne.jp mnt-by: MAINT-AS23780 changed: hayata [at] t-ctb.co.jp 20230601 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.201.52.0/22 descr: CTB Media Inc. origin: AS23780 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20110413 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: 211.15.112.0/20 descr: CTB Media Inc. origin: AS23780 notify: nw-team [at] ctb.ne.jp mnt-by: MAINT-AS23780 changed: hayata [at] t-ctb.co.jp 20230601 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.15.112.0/20 descr: CTB Media Inc. origin: AS23780 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20030910 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.19.224.0/19 descr: CTB Media Inc. origin: AS23780 notify: nw-team [at] ctb.ne.jp mnt-by: MAINT-AS23780 changed: hayata [at] t-ctb.co.jp 20230601 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.19.224.0/19 descr: CTB Media Inc. origin: AS23780 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20030910 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:6c80::/32 descr: CTB Media Inc. origin: AS23780 notify: nw-team [at] ctb.ne.jp mnt-by: MAINT-AS23780 changed: hayata [at] t-ctb.co.jp 20230601 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source