These entries are queried from radb.net using whois, you can try my project getting these.
:AS53697 route: 75.141.60.0/24 origin: AS53697 descr: MOHELA mnt-by: MAINT-BLUEBIRD changed: daniel.johnston [at] bluebirdnetwork.com 20220307 #05:32:11Z source: RADB last-modified: 2023-11-13T16:09:33Z rpki-ov-state: valid