These entries are queried from radb.net using whois, you can try my project getting these.
:AS38840 route6: 2406:3540:fff8::/46 descr: AS60614 Downstream remarks: Proxy registered object; email noc [at] steveyi.net to remove. origin: AS38840 mnt-by: STEVEYI-MNT changed: jackcooku [at] steveyi.net 20210706 source: ALTDB rpki-ov-state: valid