These entries are queried from radb.net using whois, you can try my project getting these.
:AS18944 route: 141.193.244.0/24 descr: Vultr Customer Route origin: AS18944 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:36-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: valid route: 141.193.244.0/24 origin: AS18944 descr: Anycast admin-c: ADMIN7426-ARIN tech-c: NOC33125-ARIN mnt-by: MNT-HNSL-228 created: 2021-11-29T02:08:46Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route6: 2602:fbfe::/36 descr: Vultr Customer Route origin: AS18944 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:37:24-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: valid route6: 2602:fbfe::/36 origin: AS18944 descr: AS18944 LLC admin-c: ADMIN7426-ARIN tech-c: NOC33125-ARIN mnt-by: MNT-HNSL-228 created: 2021-12-03T21:56:31Z last-modified: 2021-12-03T21:56:31Z source: ARIN rpki-ov-state: valid