These entries are queried from radb.net using whois, you can try my project getting these.
:AS23616 route: 27.121.92.0/22 descr: Hitachi Systems, Ltd. origin: AS23616 mnt-by: MAINT-AS23616 changed: net-op [at] ml.hitachi-systems.com 20171201 #06:01:01Z source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 27.121.92.0/22 descr: Hitachi Information Systems, Ltd. origin: AS23616 mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20230701 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.176.8.0/22 descr: Hitachi Systems, Ltd. origin: AS23616 notify: nic [at] hi-nb.net mnt-by: MAINT-AS23616 changed: net-op [at] ml.hitachi-systems.com 20171201 #06:10:54Z source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.81.12.0/22 descr: Hitachi Systems, Ltd. origin: AS23616 notify: nic [at] hi-nb.net mnt-by: MAINT-AS23616 changed: net-op [at] ml.hitachi-systems.com 20171201 #06:11:33Z source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:fe00::/32 descr: Hitachi Information Systems, Ltd. origin: AS23616 mnt-by: MAINT-AS23616 changed: nic [at] hi-nb.net 20110410 #01:51:37Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source