It might be against your provider's terms of service, but it's hardly illegal. If someone else is doing illegal things on your IP address then you could blame

It might be against your provider's terms of service, but it's hardly illegal. If someone else is doing illegal things on your IP address then you could blame the (users of the) service to avoid liability. Still you could find yourself targeted by a lawsuit. I wonder if Oxylabs' terms protect you in this case.