These entries are queried from radb.net using whois, you can try my project getting these.
:AS36427 route: 143.229.0.0/16 origin: AS36427 descr: CIS Box 13 124 Raymond Ave Poughkeepsie NY 12604 United States admin-c: VASSA-ARIN tech-c: BLAHU2-ARIN tech-c: VASSA-ARIN mnt-by: MNT-VASSAR-Z created: 2021-06-24T19:56:46Z last-modified: 2023-01-05T20:24:45Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.76.182.0/24 origin: AS36427 descr: CIS Box 13 124 Raymond Ave Poughkeepsie NY 12604 United States admin-c: VASSA-ARIN tech-c: BLAHU2-ARIN tech-c: VASSA-ARIN mnt-by: MNT-VASSAR-Z created: 2021-06-24T19:58:01Z last-modified: 2023-01-05T20:24:45Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:8e:8000::/48 origin: AS36427 descr: CIS Box 13 124 Raymond Ave Poughkeepsie NY 12604 United States admin-c: VASSA-ARIN tech-c: BLAHU2-ARIN tech-c: VASSA-ARIN mnt-by: MNT-VASSAR created: 2021-06-24T19:59:03Z last-modified: 2023-01-05T20:23:06Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source