These entries are queried from radb.net using whois, you can try my project getting these.
:AS398162 route: 68.69.51.0/24 origin: AS398162 descr: MNT-PC-2100 route 068.069.051.000/24 AS398162 admin-c: CULBE25-ARIN tech-c: KRUGE29-ARIN mnt-by: MNT-PC-2100 created: 2020-08-24T15:07:12Z last-modified: 2023-09-18T14:10:37Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source