These entries are queried from radb.net using whois, you can try my project getting these.
:AS20318 route: 38.175.64.0/19 origin: AS20318 descr: Route Registered for Cogent Communications Customer - Niacom Holdings, LLC geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com source: RADB last-modified: 2024-02-19T21:17:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:470:168::/48 origin: AS20318 descr: NET-2001-470-168---48-AS20318 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-07-21T13:45:13Z last-modified: 2023-07-21T13:45:13Z rpki-ov-state: valid route6: 2607:2640::/32 origin: AS20318 descr: Niacom Holdings, LLC admin-c: HELP13-ARIN tech-c: HELP13-ARIN mnt-by: MNT-NIACO-3 created: 2024-02-24T20:55:36Z last-modified: 2024-02-24T20:55:36Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source