These entries are queried from radb.net using whois, you can try my project getting these.
:AS135646 route: 44.159.64.0/24 descr: Vultr Customer Route origin: AS135646 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:36:25-18000 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: 44.159.66.0/23 descr: Vultr Customer Route origin: AS135646 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:36:25-18000 source: RADB last-modified: 2023-11-13T16:13:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:e380:15::/48 descr: AS135646 origin: AS135646 country: JP mnt-by: MAINT-AP-LBSH mnt-routes: MAINT-AP-LBSH last-modified: 2017-11-10T14:54:02Z source: APNIC rpki-ov-state: valid route6: 2402:e380:15::/48 descr: Vultr Customer Route origin: AS135646 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:38:06-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: valid route6: 2402:e380:306::/48 descr: Customer Route origin: AS135646 mnt-by: MAINT-HUS-AP last-modified: 2021-06-07T09:51:24Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source