How the April 28, 2025, power outage in Portugal and Spain impacted Internet traffic and connectivity

This post details the impact of a major power outage in Portugal and Spain on internet traffic, network quality, and routing. It provides specific metrics and graphs showing traffic drops, changes in network quality (download speeds, latency), and routing impacts (announced IP address space). The analysis highlights how Cloudflare's global network and customer base provide unique insights into internet resilience during large-scale infrastructure failures.