These entries are queried from radb.net using whois, you can try my project getting these.
:AS64087 route6: 2403:a280:1000::/36 descr: Vultr Customer Route origin: AS64087 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:37:59-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2403:a280:1000::/48 origin: AS64087 descr: Clouds Network Limited Room 02, 21/F, Hip Kwan Commercial Building 38 Pitt Street, Yau Ma Tei mnt-by: MAINT-CNET-HK last-modified: 2020-06-21T11:48:44Z source: APNIC rpki-ov-state: valid route6: 2403:a280:2000::/36 descr: Vultr Customer Route origin: AS64087 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20200316 #09:53:51Z source: RADB last-modified: 2023-11-13T16:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2403:a280:3000::/48 origin: AS64087 descr: Clouds Network Limited Room 02, 21/F, Hip Kwan Commercial Building 38 Pitt Street, Yau Ma Tei mnt-by: MAINT-CNET-HK last-modified: 2020-03-27T04:48:40Z source: APNIC rpki-ov-state: valid