These entries are queried from radb.net using whois, you can try my project getting these.
:AS393350 route: 198.147.219.0/24 descr: Teltrust Corp. origin: AS393350 mnt-by: MNT-TC-392 changed: cto [at] teltrust.com 20160503 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.219.0/24 descr: Proxy Registered Route origin: AS393350 remarks: Teltrust Corp mnt-by: MAINT-AS16713 changed: wbiggs [at] noanet.net 20150220 #17:45:45Z source: RADB last-modified: 2023-11-13T15:47:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:470:58::/48 origin: AS393350 descr: NET-2001-470-58---48-AS393350 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2022-01-20T20:21:02Z last-modified: 2022-01-20T20:21:02Z rpki-ov-state: valid