There is probably no solution to this problem. Criminals regularly use those same services you're using. Cloudflare's job is to block potential attacks, and bl

There is probably no solution to this problem. Criminals regularly use those same services you're using. Cloudflare's job is to block potential attacks, and blocking or CAPTCHA-restricting a subnet tied to a large number of attacks against their infrastructure seems reasonable. Either switch VPN providers, or deal with the CAPTCHAs.