These entries are queried from radb.net using whois, you can try my project getting these.
:AS138668 route6: 2a0d:2901::/32 origin: AS138668 mnt-by: NET49-MNT created: 2023-02-13T06:52:49Z last-modified: 2023-02-13T06:52:49Z 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: 2a0d:2902::/32 descr: Vultr Customer Route origin: AS138668 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:38:08-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source