These entries are queried from radb.net using whois, you can try my project getting these.
:AS38023 route6: 2602:feda:f4::/48 origin: AS38023 mnt-by: MNT-MCHL-4 tech-c: KOBAY19-ARIN admin-c: KOBAY19-ARIN source: ARIN created: 2020-07-10T17:47:38Z last-modified: 2020-07-10T17:47:38Z descr: MNT-MCHL-4 route 2602:FEDA:00F4:0000:0000:0000:0000:0000/48 AS38023 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source