These entries are queried from radb.net using whois, you can try my project getting these.
:AS59128 route: 192.50.220.0/24 descr: KMC4 origin: AS59128 notify: noc [at] kmc.gr.jp mnt-by: MAINT-AS59128 changed: sorah [at] kmc.gr.jp 20231204 source: JPIRR rpki-ov-state: valid route: 192.50.220.0/24 descr: Vultr Customer Route origin: AS59128 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:36:00-18000 source: RADB last-modified: 2023-11-13T16:13:11Z rpki-ov-state: valid route6: 2001:df0:8500::/48 descr: KMC6 origin: AS59128 notify: noc [at] kmc.gr.jp mnt-by: MAINT-AS59128 changed: sorah [at] kmc.gr.jp 20231204 source: JPIRR rpki-ov-state: valid route6: 2001:df0:8500::/48 descr: Vultr Customer Route origin: AS59128 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:37:54-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: valid