These entries are queried from radb.net using whois, you can try my project getting these.
:AS62990 route: 67.59.90.0/24 origin: AS62990 descr: Proxy route-object for St. Charles Health System, Inc. mnt-by: MAINT-AS25899 changed: scannoodt [at] lsnetworks.net 20230928 #00:19:00Z source: RADB last-modified: 2023-11-13T16:18:46Z rpki-ov-state: valid route: 67.59.90.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS62990 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid