These entries are queried from radb.net using whois, you can try my project getting these.
:AS395021 route: 23.141.96.0/24 descr: Mastracchio Systems, LLC origin: AS395021 mnt-by: MAINT-AS40676 changed: manish.patil [at] psychz.net 20181218 #18:47:06Z source: RADB last-modified: 2023-11-13T15:55:22Z rpki-ov-state: valid route6: 2620:1d8::/36 descr: Vultr Customer Route origin: AS395021 notify: network [at] constant.com mnt-by: MAINT-AS20473 changed: network [at] constant.com 20240418 #06:40:04-14400 source: RADB last-modified: 2024-04-18T10:40:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source