Internet services
Dark Fiber
Lease unlit fiber strands and light them with your own equipment. Total control over capacity, protocol and scale for carriers and large enterprises.
- Dedicated strands
- Unlimited bandwidth
- Diverse routes
Overview
Unlit fiber you control, end to end.
Lease dedicated fiber strands across our metro and long-haul routes. Light them with your own equipment for unlimited bandwidth and total control.
- Metro & long haul
- OTDR testing
- Maintenance included
Benefits
What Dark Fiber changes for your business
Total control
You choose the optics, protocols and capacity.
Future-proof
Upgrade from 10G to 400G without changing the fiber.
Route diversity
Physically separate paths for resilience.
Capabilities
Included with the service
Metro & long haul
Coverage across major cities and data centers.
OTDR testing
Every strand tested and certified before handover.
Maintenance included
Fault repair with defined restoration times.
Use cases
Built for the way you operate
Data centers
Interconnect facilities at scale.
Telecom carriers
Backhaul for mobile and fixed networks.
Large enterprises
Private networks for campuses.
Onboarding
Ready to begin? Three simple steps.
01
Tell us what you need
Share your sites, seat count and the numbers you want to keep. A specialist maps the right service.
02
We design and provision
Survey, configuration and number porting are handled by our engineers. Most cloud services go live the same day.
03
Stay supported, 24/7
The network operations center monitors the service, and your account team stays on the line after go-live.
FAQ
Questions about Dark Fiber
A specialist can walk through pricing, coverage and porting on a short call.
How long does it take to activate Dark Fiber?
Most services are provisioned within 2 to 5 business days after the site survey and paperwork are complete. Cloud-only services are usually live the same day.
Is there a long-term contract?
We offer monthly, annual and multi-year terms. Longer terms unlock lower monthly pricing and priority support.
What support do I get?
Every business account includes 24/7 support from our network operations center, with a dedicated account manager for enterprise customers.
Contact
Let's get in touch
Questions, a custom quote, or a coverage check — send a note and the team will reply within one business day.
Switch to Altaris and keep every number you already have.
Free number porting, white-glove onboarding and a 30-day money-back guarantee. Most teams are live the same day.