These entries are queried from radb.net using whois, you can try my project getting these.
:AS131907 route: 103.14.80.0/22 origin: AS131907 descr: Iwami Cablevision Co.,Ltd. mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200914 #06:51:13Z source: RADB last-modified: 2023-11-13T16:01:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.14.80.0/22 descr: Iwami Cablevision Co.,Ltd. origin: AS131907 notify: cccn-adm [at] ctnet.ad.jp mnt-by: MAINT-AS7670 changed: fu-motonishi [at] enecom.co.jp 20230403 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.14.80.0/23 descr: Iwami Cablevision Co.,Ltd. origin: AS131907 notify: cccn-adm [at] ctnet.ad.jp mnt-by: MAINT-AS7670 changed: fu-motonishi [at] enecom.co.jp 20230403 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.14.80.0/23 origin: AS131907 descr: Iwami Cablevision Co.,Ltd. mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200914 #06:53:01Z source: RADB last-modified: 2023-11-13T16:01:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.14.82.0/23 origin: AS131907 descr: Iwami Cablevision Co.,Ltd. mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200914 #06:49:45Z source: RADB last-modified: 2023-11-13T16:01:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.14.82.0/23 descr: Iwami Cablevision Co.,Ltd. origin: AS131907 notify: cccn-adm [at] ctnet.ad.jp mnt-by: MAINT-AS7670 changed: fu-motonishi [at] enecom.co.jp 20230403 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.14.83.0/24 origin: AS131907 descr: Iwami Cablevision Co.,Ltd. mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20220331 #02:21:27Z source: RADB last-modified: 2023-11-13T16:10:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.14.83.0/24 descr: Iwami Cablevision Co.,Ltd. origin: AS131907 notify: cccn-adm [at] ctnet.ad.jp mnt-by: MAINT-AS7670 changed: fu-motonishi [at] enecom.co.jp 20230403 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.200.0/22 origin: AS131907 descr: Iwami Cablevision Co.,Ltd. mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200914 #06:51:44Z source: RADB last-modified: 2023-11-13T16:01:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.200.0/22 descr: Iwami Cablevision Co.,Ltd. origin: AS131907 notify: cccn-adm [at] ctnet.ad.jp mnt-by: MAINT-AS7670 changed: fu-motonishi [at] enecom.co.jp 20230403 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.200.0/23 descr: Iwami Cablevision Co.,Ltd. origin: AS131907 notify: cccn-adm [at] ctnet.ad.jp mnt-by: MAINT-AS7670 changed: fu-motonishi [at] enecom.co.jp 20230403 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.200.0/23 origin: AS131907 descr: Iwami Cablevision Co.,Ltd. mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200914 #06:50:18Z source: RADB last-modified: 2023-11-13T16:01:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.202.0/23 origin: AS131907 descr: Iwami Cablevision Co.,Ltd. mnt-by: MAINT-AS7670 changed: cccn-adm [at] ctnet.ad.jp 20200914 #06:49:05Z source: RADB last-modified: 2023-11-13T16:01:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.202.0/23 descr: Iwami Cablevision Co.,Ltd. origin: AS131907 notify: cccn-adm [at] ctnet.ad.jp mnt-by: MAINT-AS7670 changed: fu-motonishi [at] enecom.co.jp 20230403 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source