Cloudflare - аналоги в РФ

https://cloud.vk.com/cdn/  0,60 ₽/Гб
https://ddos-guard.net/
https://cdnnow.ru/

Аналоги в других старанах

https://www.fastly.com/
Imperva https://www.imperva.com/
https://sucuri.net/website-security-platform/signup/#firewall  -  https://www.youtube.com/watch?v=BkYv9iBKV8c
https://botguard.net/ru/pricing