Lumen

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About Lumen

Lumen is a global communications services provider focused on networking, edge cloud, cybersecurity, and collaboration solutions for large enterprises, midsize businesses, and the public sector. Formerly known as CenturyLink, the company operates one of the world's largest fiber networks, with a footprint that spans North America, Europe, and parts of Asia. Lumen is headquartered in Monroe, Louisiana. The company offers dedicated internet access, colocation, dark fiber, SD-WAN, DDoS protection, cloud voice, and AI-ready infrastructure. It also runs Black Lotus Labs, a threat intelligence group. Lumen was named one of Fortune's Most Innovative Companies for 2025. It reported handling over 650 TB of traffic daily for one customer and achieving 99.9% uptime for American Family Care.