These entries are queried from radb.net using whois, you can try my project getting these.
:AS139686 route: 206.83.8.0/24 descr: Vultr Customer Route origin: AS139686 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221116 #00:36:50-18000 source: RADB last-modified: 2023-11-13T16:13:08Z rpki-ov-state: valid route6: 2001:df1:ee80::/48 origin: AS139686 descr: Free Range Cloud Hosting Inc 4072 Quadra St mnt-by: MAINT-FRCHI-AP last-modified: 2020-10-23T15:54:12Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a0f:9400::/48 origin: AS139686 mnt-by: mnt-uk-frc-1 created: 2019-10-05T21:20:03Z last-modified: 2019-10-05T21:20:03Z 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: 2a0f:9400:1::/48 origin: AS139686 mnt-by: mnt-uk-frc-1 created: 2019-12-03T21:45:03Z last-modified: 2019-12-03T21:45:03Z 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: 2a0f:9400:2::/48 origin: AS139686 mnt-by: mnt-uk-frc-1 created: 2019-12-13T21:00:03Z last-modified: 2019-12-13T21:00:03Z 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: 2a0f:9400:3::/48 origin: AS139686 mnt-by: mnt-uk-frc-1 created: 2020-11-25T04:25:05Z last-modified: 2020-11-25T04:25:05Z 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: 2a0f:9400:3::/48 descr: Vultr Customer Route origin: AS139686 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:38:10-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: valid route6: 2a0f:9400:4::/48 descr: Vultr Customer Route origin: AS139686 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20201124 #16:37:51Z source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: valid route6: 2a0f:9400:4::/48 origin: AS139686 mnt-by: mnt-uk-frc-1 created: 2020-12-06T17:10:39Z last-modified: 2020-12-06T17:10:39Z 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: 2a0f:9400:6::/48 origin: AS139686 mnt-by: mnt-uk-frc-1 created: 2024-03-12T03:50:04Z last-modified: 2024-03-12T03:50:04Z 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