Mainstream cloud providers (AWS, Google Cloud, Hetzner, OVH, DigitalOcean) routinely block Iranian IPs and Iranian payment methods because of US OFAC sanctions. Even if you sign up with a non-Iranian card, account suspension follows the moment usage patterns are detected. Hosting outside that perimeter is not a preference, it is a requirement.
The second pressure point is local payment. Visa and MasterCard do not operate inside Iran. Shetab cards do not work for international purchases. The only realistic settlement layer is crypto: Bitcoin, USDT, Monero. AnubizHost accepts all three with no KYC and no questions.