These entries are queried from radb.net using whois, you can try my project getting these.
:AS204378 route6: 2a0c:3800:300::/48 origin: AS204378 mnt-by: JCALLAHAN created: 2018-04-07T13:44:38Z last-modified: 2018-04-07T13:44:38Z 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: 2a0c:3800:300::/48 descr: Vultr Customer Route origin: AS204378 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:38:29-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: valid