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Zayo

Connecting What's Next - The Future of Fiber and Networks

ConnectProtectAutomate/AI: built in

Founded 2007 · Boulder, Colorado · 1,001-5,000 employees · Private, VC/PE backed

Partnership Overview

Who Zayo is built for

Hyperscalers and AI customers needing massive fiber/wavelength capacity; large enterprises needing dedicated fiber or DIA at scale; carriers/ISPs needing wholesale Tier 1 IP transit and Ethernet; data center operators needing interconnection.

Zayo Group is one of the largest US-headquartered global fiber infrastructure providers, operating ~17M+ fiber-miles across North America and Europe with 130,000+ on-net buildings. Owned by EQT and DigitalBridge since 2020, Zayo delivers dark fiber, wavelengths (up to 800G), Ethernet, IP transit, cloud connect, edge interconnection, and DDoS protection. Strategic focus on AI/hyperscaler infrastructure with major fiber deals announced in 2024 with major hyperscalers and tower companies.

  • VerifiedJul 19, 2026 · high confidence
  • 5solutions across 2 categories
  • 19 yrsin business, since 2007
  • 1,001-5,000employees

Why teams pick Zayo

  • M+ fiber-miles across North America & Europe
  • ,000+ on-net buildings
  • Major hyperscaler fiber agreements (Microsoft, Meta, Google) in 2024
  • G wavelengths for hyperscale customers
  • Strong wholesale carrier-of-carriers position
  • EQT + DigitalBridge infrastructure investor ownership

Probably not a fit

We haven't published fit caveats for Zayo yet. Tell us what you run and we'll say whether they fit, or who we'd look at instead.

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Recognition & proof points

  • Multiple enterprise network industry awardsAward
  • Strategic supplier to major US hyperscalersProof point

Notable clients

Vendor-reported

Publicly referenced customers include Dropbox (high-capacity Wavelengths on Zayo's global backbone) and Cogent Communications (dark fiber), alongside major hyperscalers (Microsoft, Meta, Google), Tier 1 banks and US wireless carriers (backhaul). Zayo also reports serving a leading 'Neocloud' AI provider with custom, diverse Wavelength routes.

Our Solutions

Rubber Duck solutions through Zayo

From first evaluation to day-to-day operations, Rubber Duck Technology helps you get full value from Zayo's Connectivity & SASE and Cybersecurity & Compliance solutions. We fit them to the systems you already run, remove overlap, and give you a clear view of how they perform, so your team can move faster with fewer surprises.

Connect

Connectivity & SASE

Dark Fiber / Wavelengths

Zayo provides dark fiber and managed wavelength services up to 800G across its 17M+ fiber-mile North American and European network, serving hyperscale and enterprise customers requiring scalable high-capacity transport.

  • Massive fiber footprint 17M+ fiber-miles across North America and Europe enable extensive route diversity and reach.
  • 800G hyperscale capacity 800G wavelengths support the bandwidth demands of hyperscale and AI infrastructure customers.
  • Dense building reach 130,000+ on-net buildings provide direct fiber access to a large base of enterprise locations.

Ethernet Transport

Zayo delivers carrier-grade Ethernet transport over its owned fiber infrastructure, connecting enterprise sites, data centers, and cloud on-ramps across its broad metro and long-haul network.

  • Owned infrastructure Service runs on Zayo's own fiber, supporting consistent performance and SLAs.
  • Cross-border reach Network spans US, Canada, Mexico, and Europe for international enterprise connectivity.

IP Transit / Peering

Zayo offers IP transit and peering services backed by its strong wholesale carrier-of-carriers position, providing high-capacity internet connectivity to carriers, content providers, and enterprises.

  • Carrier-of-carriers scale A strong wholesale position gives IP transit customers deep network capacity and reach.
  • Global backbone Transit rides Zayo's 17M+ fiber-mile backbone across two continents.

Cloud Connect / Interconnection

Zayo provides private cloud connectivity and hyperscaler on-ramps via its edge and colocation interconnection network, linking enterprises directly to major cloud platforms.

  • Direct hyperscaler on-ramps Private connections to AWS, Azure, Google, and Oracle bypass the public internet.
  • Hyperscaler relationships Major fiber agreements with Microsoft, Meta, and Google underpin deep cloud interconnection.
AWS Direct ConnectAzure ExpressRouteGoogle Cloud InterconnectOracle FastConnect
Protect

Cybersecurity & Compliance

DDoS Protection

Zayo offers network-based DDoS protection integrated with its IP backbone, mitigating volumetric attacks for enterprise and carrier customers.

  • Backbone-scale mitigation Protection leverages Zayo's large IP backbone to absorb and filter attack traffic.
  • Integrated with transport DDoS defense pairs with Zayo's IP transit for combined connectivity and security.

How Zayo delivers

24/7 MonitoringInstallation & Field ServicesManaged Network ServicesNetwork Operations Center (NOC)Project Management

24/7 global NOC; named technical account managers for hyperscaler/Tier-1 enterprise customers; SLA-backed wholesale agreements. (vendor-reported)

Services in detail

  • Managed Network ServicesDelivered through custom enterprise contracts and long-term IRU agreements backed by a 24/7 NOC.
  • 24/7 MonitoringDelivered continuously from Zayo's 24/7 network operations center.
  • Network Operations Center (NOC)Delivered as a fully staffed, always-on NOC function.
  • Installation & Field ServicesDelivered as project-based fiber construction and field deployment.
  • Project ManagementDelivered as managed projects coordinating construction, provisioning, and turn-up.

Automate/AI, built in · AI-Powered Features. AI-driven network optimization; strategic focus on enabling AI/hyperscaler workloads through dedicated fiber and wavelength services.

Case Studies

What backs it up

1 published case study from Zayo

Documents

From Zayo

3 PDFs, collected while we vetted them

  • Zayo Wavelengths OverviewPDF · 157.7 KBDownload
  • Zayo Long Haul Dark Fiber OverviewPDF · 93.6 KBDownload
  • Zayo Global Network Capabilities Mapbook July 2024PDF · 9.5 MBDownload

Profile compiled by Rubber Duck Technology from primary sources and partner collateral. Vendor-reported figures are labeled as theirs. Spot something wrong? Tell us.

Technology that doesn't sink under pressure

Talk it through before you sign.

Send us what you run today. We'll price Zayo against two alternatives and tell you which one we'd pick, and why.