These entries are queried from radb.net using whois, you can try my project getting these.
:AS43483 route: 44.31.29.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS43483 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.31.29.0/24 descr: Vultr Customer Route origin: AS43483 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:48-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.31.31.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS43483 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.31.31.0/24 descr: Vultr Customer Route origin: AS43483 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20220726 #16:19:01Z source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.182.84.0/24 descr: YO8BSD origin: AS43483 mnt-by: MAINT-AMPR changed: bk29 [at] ampr.org 20190812 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.182.84.0/24 descr: Vultr Customer Route origin: AS43483 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:48-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source