These entries are queried from radb.net using whois, you can try my project getting these.
:AS3962 route: 23.146.208.0/24 origin: AS3962 descr: PONCHATOULA LA admin-c: HUNTK37-ARIN tech-c: HUNTK37-ARIN mnt-by: MNT-NL-719 created: 2021-01-02T21:44:02Z last-modified: 2021-01-02T21:44:02Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.117.112.0/21 descr: PNAP-TOR001 origin: AS3962 mnt-by: MAINT-AS1828 changed: tsmith [at] internap.com 20091008 source: RADB last-modified: 2023-11-13T16:14:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source