These entries are queried from radb.net using whois, you can try my project getting these.
:AS398126 route: 199.187.138.0/24 origin: AS398126 descr: Computer Sales & Services, Inc. mnt-by: MAINT-AS13760 changed: graham.wooden [at] uniti.com 20191106 #13:49:40Z source: RADB last-modified: 2023-11-13T15:58:36Z rpki-ov-state: valid