DARK FIBER

Take control of your bandwidth 

Lumen Dark Fiber solutions give you all the benefits of network ownership without having to construct the network yourself.

DARK FIBER

Take control of your bandwidth 

Lumen Dark Fiber solutions give you all the benefits of network ownership without having to construct the network yourself.

Engineered to accelerate AI at scale

AI-driven enterprises need total control, scale and ultra-low latency. Lumen® Dark Fiber delivers full ownership and design flexibility on the world’s most peered IP network—backed by extensive routes, secure colocation and a future-ready optical backbone. Read the eBook to see why Frost & Sullivan calls it the foundation for smart enterprise networks.

Engineered to accelerate AI at scale

AI-driven enterprises need total control, scale and ultra-low latency. Lumen® Dark Fiber delivers full ownership and design flexibility on the world’s most peered IP network—backed by extensive routes, secure colocation and a future-ready optical backbone. Read the eBook to see why Frost & Sullivan calls it the foundation for smart enterprise networks.

A person stands at a workstation inside a data center typing on a keyboard connected to a monitor with servers, cables and networking equipment in the background.

25K+

route miles with low-loss next gen fiber

25K+

route miles with low-loss next gen fiber

~163,000

on-net buildings

~163,000

on-net buildings

2,200+ 

On-net third party data centers

2,200+ 

On-net third party data centers

Why Lumen?

Lumen network routes displayed on a map of the United States.

Diverse system of custom and predefined routes

Support high-capacity growth on the largest ultra-low-loss intercity fiber network in North America, with 530+ sites providing up to 400G connectivity.

Diverse system of custom and predefined routes

Support high-capacity growth on the largest ultra-low-loss intercity fiber network in North America, with 530+ sites providing up to 400G connectivity.

Two office mates discussion urgent issues at desk while reviewing data on computer tablet.

Customized enhancements

Enhance network control, availability, performance, security and features with Managed Optical Fiber Network (MOFN) solutions.

Customized enhancements

Enhance network control, availability, performance, security and features with Managed Optical Fiber Network (MOFN) solutions.

Features and specs

Features and specs

Dark Fiber

Custom Pricing

Dark Fiber

Custom Pricing

Expansive North America metro and intercity fiber route miles


Low Loss Next-Gen Fiber


Extensive network reach, capacity and diversity


Running line colocation and power


World-class operations and maintenance


Network connectivity options


Dedicated NOC for managed dedicated fiber customers


Uptime SLAs


Fast turnaround on logical moves, upgrades and new meshing


Detailed, street-level dark fiber designs


Custom control 

Manage scalability, capacity and network management, technology evolution, reliability and network uptime

Optional add‑ons

Managed optical fiber network

  • Dedicated dark fiber
  • Choice of hardware purchased directly from vendor, VAR or Lumen
  • Professional services

Professional services

  • Outside plant construction
  • Network architecture, design and engineering
  • Equipment selection and acquisition
  • Network deployment and implementation
  • Network monitoring and management
  • Field tech services

Resources

Questions? Let’s talk.

Contact our team to get the assistance and answers you’re looking for.

Questions? Let’s talk.

Contact our team to get the assistance and answers you’re looking for.

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800‑871‑9244