Colt Expanded Global Network to 55 Metro Locations
The infrastructure provider has scaled its reach to support hyperscaler demand for high-capacity AI workloads.
Updated on Oct. 12, 2026 in Data Centers
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Colt Technology Services has expanded its global fiber footprint to 55 total metro networks, adding new coverage in Warsaw, Bordeaux, and Berlin. This infrastructure growth is designed to meet the rising connectivity requirements of hyperscalers and wholesale AI providers.
Why it matters
Reliable, high-speed fiber connectivity has become a critical bottleneck for scaling distributed AI infrastructure. By deepening its metro and long-haul presence, Colt aims to facilitate the rapid data throughput required by large-scale model training and inference deployments.
The expansion includes a 600km-plus long-distance network segment between Osaka and Fukuoka and fiber upgrades along the Marseille-Milan route. These connections are engineered to support high-bandwidth traffic for data centers integrated into the provider's global network.
The players
Colt Technology Services
A global digital infrastructure provider specializing in high-bandwidth network connectivity for data centers and enterprise clients.
The details
Colt deployed new fiber overlays and upgraded duct infrastructure—the physical subterranean pipes that protect fiber-optic cables—to densify its European presence. The provider also leased capacity on the EIG, Falcon, and Hawk subsea systems to extend reach into markets including Dubai and Türkiye. These upgrades facilitate the high-speed data transmission required for the compute-intensive environments maintained by hyperscalers—large cloud providers offering massive scale.
Timeline
February 2026: Colt leased subsea capacity and expanded US-Europe links.
March 2026: The transpacific route on the Juno cable launched between Tokyo and Los Angeles.
May 2026: Colt completed an owned fiber network in Zaragoza and added an Istanbul point of presence.
June 2026: The ViaTunisia segment of the Medusa system reached ready-for-service status.
October 13-15, 2026: Executives are scheduled to present at Capacity Europe 2026.
The Tech Race
This deployment follows the documented industry trend toward AI-optimized hyperscale data center interconnectivity, which necessitates denser metro fiber footprints. The build-out places Colt in direct competition with global carriers racing to secure the low-latency routes required for distributed AI training.
This network expansion increases the availability of high-capacity bandwidth for enterprise and cloud-service workloads in major European and Asian markets. Users operating in these regions may see improved performance and latency for cloud-based services and AI model training workflows.
The takeaway
Reliable interconnectivity is now a primary competitive factor for AI-focused data centers. Watch for future capacity announcements from regional operators in West Japan as they compete to capture the growing demand for AI infrastructure.
What happens next
Colt has publicly committed to further infrastructure expansion across West Japan.
Further reading
For more on the infrastructure supporting global compute, explore our Data Centers coverage.
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