These entries are queried from radb.net using whois, you can try my project getting these.
:AS24280 route: 202.48.202.0/23 descr: Hitachi Information Systems, Ltd. Tokyo iDC origin: AS24280 notify: peer [at] sakura.ad.jp mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20230901 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.48.202.0/23 descr: Hitachi Systems, Ltd. Tokyo iDC origin: AS24280 mnt-by: MAINT-AS24280 changed: tdc-infra [at] ml.hitachijoho.com 20111006 #04:36:18Z source: RADB last-modified: 2023-11-13T15:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.48.204.0/22 descr: Hitachi Systems, Ltd. Tokyo iDC origin: AS24280 mnt-by: MAINT-AS24280 changed: tdc-infra [at] ml.hitachijoho.com 20111006 #04:35:34Z source: RADB last-modified: 2023-11-13T15:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source