These entries are queried from radb.net using whois, you can try my project getting these.
:AS147071 route6: 2602:feda:df0::/44 descr: Vultr Customer Route origin: AS147071 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:38:16-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: valid route6: 2602:feda:dff::/48 descr: NewlyDev Anycast origin: AS147071 mnt-by: MAINT-NEWLYDEV changed: bocheng.zou [at] outlook.com 20210901 source: ALTDB rpki-ov-state: valid