These entries are queried from radb.net using whois, you can try my project getting these.
:AS393763 route: 23.178.160.0/24 origin: AS393763 descr: 440 N Barranca Ave #2898 Covina CA 91723 United States admin-c: SCM10-ARIN tech-c: SCM10-ARIN mnt-by: MNT-CS-849 created: 2023-03-28T22:48:32Z last-modified: 2023-03-28T22:48:32Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.249.189.0/24 descr: Proxy Registration for Ringfree/Cycore by DLR origin: AS393763 mnt-by: MAINT-TELX changed: ipadmin [at] telx.com 20220722 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:2840::/32 origin: AS393763 descr: 440 N Barranca Ave #2898 Covina CA 91723 United States admin-c: SCM10-ARIN tech-c: SCM10-ARIN mnt-by: MNT-CS-849 created: 2023-03-28T22:47:19Z last-modified: 2023-03-28T22:47:19Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source