These entries are queried from radb.net using whois, you can try my project getting these.
:AS5063 route: 209.223.136.0/21 descr: Navisite Las Vegas - Customer Route origin: AS5063 mnt-by: MAINT-AS4544 changed: jlooney [at] navisite.com 20040708 source: RADB last-modified: 2023-11-13T15:52:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:2840::/32 origin: AS5063 descr: 30 N Gould St Ste N Sheridan WY 82801 United States admin-c: SKRYP1-ARIN tech-c: SKRYP1-ARIN mnt-by: MNT-ANS-215 created: 2023-05-01T22:08:55Z last-modified: 2023-05-01T22:08:55Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:2840::/48 origin: AS5063 descr: 30 N Gould St Ste N Sheridan WY 82801 United States admin-c: SKRYP1-ARIN tech-c: SKRYP1-ARIN mnt-by: MNT-ANS-215 created: 2023-05-01T22:09:22Z last-modified: 2023-05-01T22:09:22Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source