These entries are queried from radb.net using whois, you can try my project getting these.
:AS398987 route: 23.128.97.0/24 descr: Vultr Customer Route origin: AS398987 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20201112 #19:36:12Z source: RADB last-modified: 2023-11-13T16:02:44Z rpki-ov-state: valid route: 23.128.97.0/24 descr: NS-Global Anycast Prefix origin: AS398987 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20201112 source: ALTDB rpki-ov-state: valid route: 193.84.87.0/24 descr: NS-Global Anycast Prefix origin: AS398987 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20201028 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.84.87.0/24 descr: Vultr Customer Route origin: AS398987 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221116 #00:37:31-18000 source: RADB last-modified: 2023-11-13T16:13:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:7c80:53::/48 descr: NS-Global Anycast Prefix origin: AS398987 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20201028 source: ALTDB rpki-ov-state: valid route6: 2607:7c80:53::/48 descr: Vultr Customer Route origin: AS398987 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:40:39-18000 source: RADB last-modified: 2023-11-13T16:13:11Z rpki-ov-state: valid