These entries are queried from radb.net using whois, you can try my project getting these.
:AS54724 route: 209.122.172.0/24 origin: AS54724 descr: Proxy route object registered by Atlantech Online mnt-by: MAINT-AS7784 changed: smargelos [at] atlantech.net 20211108 #21:35:21Z source: RADB last-modified: 2023-11-13T16:08:39Z rpki-ov-state: valid