How to block vpns

Hello I’ve seen some sites like https://falixnodes.net/ blocks VPNs by Cloudflare so I wanted to know how I can and I have a free plan
if it’s not possible by Cloudflare so please tell me how I can do it with .htaccess

You can block IP ranges that may help

okay im going to try that but from where i can get vpns ip ranges ?

anyone there ???