500 Tbps of Capacity: 16 Years of Scaling Our Global Network

Why It Matters

By reaching 500 Tbps, Cloudflare solidifies its role as the de‑facto security and compute layer of the internet, giving enterprises a resilient, low‑latency alternative to traditional networking and DDoS scrubbing services. The milestone also accelerates edge‑centric application delivery and promotes broader adoption of secure routing protocols.

Key Takeaways

• Cloudflare now provides 500 Tbps of external interconnection capacity
• Network spans 330+ cities, protecting over 20% of the web
• Mitigated a 31.4 Tbps DDoS attack without human intervention
• Edge platform runs Workers, KV, Durable Objects, and Containers at scale
• Early adoption of IPv6, RPKI, and ASPA strengthens global routing security

Pulse Analysis

Reaching 500 terabits per second of provisioned external capacity marks a watershed moment for Cloudflare’s backbone. In just sixteen years the company has expanded from a single transit link in a Palo Alto nail‑salon to a mesh of more than 330 data centers across 125 countries, interconnecting with over 13,000 networks. That scale translates into roughly one‑fifth of the global web being served through Cloudflare’s edge, giving the firm unprecedented leverage over traffic flow, latency and overall internet resilience.

The same infrastructure now doubles as a security layer that can absorb attacks of unprecedented size. In 2025 Cloudflare automatically deflected a 31.4 Tbps DDoS onslaught in seconds, using eBPF‑based XDP pipelines and a distributed denial‑of‑service daemon that shares attack signatures across every server. No human was paged and no traffic needed to be back‑hauled to a central scrubbing site, allowing enterprise customers to replace costly MPL‑S circuits with Cloudflare’s Magic Transit. This autonomous edge protection reshapes how businesses defend against volumetric threats.

Beyond security, Cloudflare’s edge now hosts a full developer platform, from Workers and KV to the recently added Containers that run heavier workloads at the nearest point to users. The platform processes more than 4 % of all HTML requests, a share driven by AI crawlers and autonomous agents that generate traffic at scale. Coupled with early adoption of IPv6, RPKI and the emerging ASPA framework, the network not only accelerates applications but also hardens global routing against hijacks and leaks. As the edge continues to grow, Cloudflare invites more peers to help build the next 500 Tbps.