These entries are queried from radb.net using whois, you can try my project getting these.
:AS4719 route: 210.134.128.0/19 descr: Business Network Telecom Corporation (BNT) origin: AS4719 notify: noc [at] giganet.net mnt-by: MAINT-AS4719 changed: hid [at] giganet.net 20040730 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.134.128.0/20 descr: J-Stream origin: AS4719 notify: infra [at] stream.co.jp mnt-by: MAINT-AS24253 changed: infra [at] stream.co.jp 20240313 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.134.144.0/22 descr: J-Stream origin: AS4719 notify: infra [at] stream.co.jp mnt-by: MAINT-AS24253 changed: infra [at] stream.co.jp 20240313 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source