These entries are queried from radb.net using whois, you can try my project getting these.
:AS14590 route: 207.224.246.0/24 origin: AS14590 descr: V4-PUB-CB-ANNOUNCED remarks: Change Ticket ECR000001553358 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20230310 source: RADB last-modified: 2023-11-13T16:15:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source