These entries are queried from radb.net using whois, you can try my project getting these.
:AS131930 route: 163.45.0.0/16 descr: Tokyo Broadcasting System Television, Inc. X-Keiro : as131930 [at] tbs.co.jp origin: AS131930 mnt-by: MAINT-AS131930 changed: as131930 [at] tbs.co.jp 20231206 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 163.45.0.0/17 descr: Tokyo Broadcasting System Television, Inc. X-Keiro : as131930 [at] tbs.co.jp origin: AS131930 mnt-by: MAINT-AS131930 changed: as131930 [at] tbs.co.jp 20231206 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 163.45.128.0/17 descr: Tokyo Broadcasting System Television, Inc. X-Keiro : as131930 [at] tbs.co.jp origin: AS131930 mnt-by: MAINT-AS131930 changed: as131930 [at] tbs.co.jp 20231206 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source