These entries are queried from radb.net using whois, you can try my project getting these.
:AS58251 route6: 2401:13a0:1::/48 descr: Vultr Customer Route origin: AS58251 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20231114 #10:55:44-18000 source: RADB last-modified: 2023-11-14T15:57:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:9e80:60::/44 descr: Vultr Customer Route origin: AS58251 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20230814 #08:20:08-14400 source: RADB last-modified: 2023-11-13T16:18:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a13:8b40:1::/48 origin: AS58251 mnt-by: KOUDING-MNT created: 2023-07-10T14:14:05Z last-modified: 2024-03-13T03:35:59Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a13:8b40:2::/48 origin: AS58251 mnt-by: KOUDING-MNT created: 2023-07-10T14:38:48Z last-modified: 2024-03-13T03:35:02Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a13:bc40:1::/48 descr: Vultr Customer Route origin: AS58251 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20231114 #10:57:24-18000 source: RADB last-modified: 2023-11-14T15:57:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source