These entries are queried from radb.net using whois, you can try my project getting these.
:AS63040 route: 52.128.160.0/19 descr: Vultr Customer Route origin: AS63040 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:36:04-18000 source: RADB last-modified: 2023-11-13T16:13:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.252.24.0/21 descr: Vultr Customer Route origin: AS63040 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:36:04-18000 source: RADB last-modified: 2023-11-13T16:13:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source