These entries are queried from radb.net using whois, you can try my project getting these.
:AS36568 route: 167.173.18.0/24 origin: AS36568 descr: Hearst mnt-by: MAINT-AS13760 changed: graham.wooden [at] uniti.com 20221004 #20:19:21Z source: RADB last-modified: 2023-11-13T16:12:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.173.210.0/24 origin: AS36568 descr: ELMW remarks: Proxy object for AS36568 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source