Colt fiber services
Metro and long-haul dark fibre for wholesale and enterprise networks, including the combined Colt and former Lumen EMEA fiber estate. Provider source
Verified
Coverage and service facts
- Service region Primary geography of the fiber or optical offer. Global marks cross-region networks.
- Europe 1
- Markets / corridors Countries, metros and corridors named in the provider’s product or network documents.
- Europe and Asia; new dark-fibre orders on the combined Colt infrastructure 2
- Documented offer Dark fiber, wavelength, or both, as the provider sells them.
- Dark fiber + wavelength 13
- Published reach Metro, long haul, or both, as the provider describes its network.
- Metro + long haul 2
- Route footprint mi Published route miles in the provider’s own unit. Footprint scope gives the date and coverage.
- Not published
- Route footprint km Published route kilometers. Other network-length measures sit in Footprint scope.
- Not published
- Footprint scope What the network figure measures, where and when, in the provider’s own terms.
- Not published
- Metro markets Number of metro markets the provider publishes.
- 51 2
- DC reach Data centers the provider connects. DC scope says whether they are on-net, connected or serviceable.
- 1,100 1
- DC scope / access On-net, connected or serviceable, with the region covered and named facilities.
- 1,100+ connected data centers and 31,000+ enterprise buildings across 32 countries on the dark fibre network. 1
- Commercial terms Lease, IRU and contract options as the provider states them.
- Not published
- Fiber specification ITU-T fiber standards the provider names for its dark fiber.
- Metro: ITU G.652; long haul: ITU G.655 (LEAF) 1
- Engineering / delivery Topology, testing, monitoring, restoration and delivery targets the provider publishes.
- Custom ring topology, route diversity and optional out-of-band monitoring. 1
- Wavelength / spectrum offer Optical speeds and spectrum options the provider sells.
- Wave and Private Wave up to 400G, plus spectrum, across metro, national and international routes 3
- Build / expansion evidence Dated route builds and expansions, with their stage: planned, under construction or live.
- Not published
- Ownership / legacy network Acquisitions and mergers behind the provider’s current name.
- Not published
- AI / hyperscaler project Named AI and hyperscaler fiber deals and builds, with announcement dates.
- Not published
Get a Colt route quote
Send Colt your A and Z addresses and ask for a street-level route drawing, building entrances and a demarcation plan.
For dark fiber, ask for spare pair counts, OTDR and loss measurements, and who maintains each span.
Build your optical-loss budget on the fiber specification above and make the handover test part of acceptance.
Request dark fiber quotes
Send your endpoint addresses, fiber-pair requirement and target service date. Include the providers you want to contact and the physical diversity your design requires.
Opens your email app with a route checklist. We introduce you to the providers that fit, with your go-ahead.