Cloudflare provides several ways to achieve fixed IP addressing: Set up address maps - BYOIP - Cloudflare Docs
Many users search for Static IPs because they want to whitelist traffic incoming to their origin server. They want to say, "Only allow traffic from Cloudflare IP addresses." cloudflare static ips
This static architecture offers three distinct advantages. First, . Because IPs do not change, DNS resolution becomes a one-time lookup; there is no need for low-TTL (Time to Live) records or constant client updates. Second, traffic engineering is streamlined —peering agreements and routing policies can be built around fixed prefixes. But the third advantage is the most critical: layer 3 security . Cloudflare provides several ways to achieve fixed IP
By default, Cloudflare uses a massive pool of shared anycast IP addresses for its users. While this works for most websites, many enterprises require to meet strict security, compliance, or networking requirements. What are Cloudflare Static IPs? Because IPs do not change, DNS resolution becomes