These entries are queried from radb.net using whois, you can try my project getting these.
:AS36767 route: 167.173.39.0/24 origin: AS36767 descr: Proxy route object for Hearst Corporation admin-c: PMC232-ARIN tech-c: PMC232-ARIN mnt-by: MAINT-SOVER-NOC source: RADB changed: jhall [at] firstlight.net 20220824 last-modified: 2023-11-13T16:12:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.173.231.0/24 origin: AS36767 descr: Proxy route object for Hearst Corporation admin-c: PMC232-ARIN tech-c: PMC232-ARIN mnt-by: MAINT-SOVER-NOC source: RADB changed: jhall [at] firstlight.net 20220824 last-modified: 2023-11-13T16:12:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source