These entries are queried from radb.net using whois, you can try my project getting these.
:AS24249 route: 49.0.16.0/21 descr: JWAY Co., Ltd origin: AS24249 mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20180820 #02:12:08Z source: RADB last-modified: 2023-11-13T15:54:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.0.16.0/21 descr: JWAY origin: AS24249 notify: webadmin [at] jway.co.jp mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20231024 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.120.180.0/22 descr: JWAY origin: AS24249 notify: webadmin [at] jway.co.jp mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20231024 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.120.180.0/22 origin: AS24249 descr: JWAY Co., Ltd mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20200519 #05:59:33Z source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 124.150.144.0/21 descr: JWAY origin: AS24249 notify: webadmin [at] jway.co.jp mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20231024 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 124.150.144.0/21 descr: JWAY origin: AS24249 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20150602 source: RADB last-modified: 2023-11-13T15:47:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 125.214.128.0/19 descr: JWAY origin: AS24249 notify: webadmin [at] jway.co.jp mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20231024 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 125.214.128.0/19 descr: JWAY origin: AS24249 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20150602 source: RADB last-modified: 2023-11-13T15:47:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.94.48.0/20 descr: JWAY origin: AS24249 notify: webadmin [at] jway.co.jp mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20231024 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.94.48.0/20 descr: JWAY origin: AS24249 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20150602 source: RADB last-modified: 2023-11-13T15:47:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.158.224.0/20 descr: JWAY origin: AS24249 notify: webadmin [at] jway.co.jp mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20231024 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.158.224.0/20 descr: JWAY Co., Ltd origin: AS24249 mnt-by: MAINT-AS24249 changed: tsuyoshi.hamaguchi [at] jway.co.jp 20060920 #23:34:51(UTC) source: RADB last-modified: 2023-11-13T15:39:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.223.44.0/22 descr: JWAY origin: AS24249 notify: webadmin [at] jway.co.jp mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20231024 source: JPIRR rpki-ov-state: valid route: 202.223.44.0/22 origin: AS24249 descr: JWAY Co., Ltd mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20200519 #06:02:27Z source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: valid route: 219.124.48.0/20 descr: JWAY origin: AS24249 notify: webadmin [at] jway.co.jp mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20231024 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.124.48.0/20 descr: JWAY origin: AS24249 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20150602 source: RADB last-modified: 2023-11-13T15:47:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2404:df40::/32 origin: AS24249 descr: JWAY Co., Ltd mnt-by: MAINT-AS24249 changed: ayako.isozaki [at] jway.co.jp 20200309 #02:08:37Z source: RADB last-modified: 2023-11-13T16:00:10Z rpki-ov-state: valid