Our Network

We’ve built America’s largest, fastest converged network with a simple purpose: connect everyone, everywhere—now and in the future—to more of what they need and love.

Our next-generation network is the largest in the United States and passes more than 63 million homes and businesses, exceeding the fiber footprints of the three largest telecom companies combined. It delivers symmetrical gig-plus speeds and wireless everywhere with more than 23 million WiFi hotspots and the nation’s most reliable 5G network.

63M

Homes and businesses with access to our network nationwide.

23M+

Public WiFi hotspots nationwide.

1/3

Of our broadband customers subscribe to 1 gigabit speeds or more.

700GB

Of data consumed by the average broadband customer every month.

Investment

We’ve invested billions of dollars to innovate and expand our network. It continues getting smarter, faster and more reliable to ensure we can meet and exceed every customer's increasing demand for speed and capacity, now and well into the future.

$20B

Invested in the largest network upgrade in the U.S.

1.2M

New homes and businesses passed in 2023.

300K

Miles of fiber, enough to circle the earth 12 times.

Built For Real Life

More Streaming

Entertainment is responsible for 70% of all data that travels over our network, and nothing is driving demand higher than live sports streaming. With innovations like Enhanced 4K, which delivers 4K HDR video and Dolby Atmos audio at the lowest latency, we’re elevating the live sports experience like no one else can. And, with 23M public WiFi hotspots nationwide, customers won’t miss a single play when they’re on the go.

More Resiliency

Our network is the product of decades of innovation, with reliability at the heart. We’ve built a robust infrastructure – supported by AI and machine learning – that prioritizes always-on connectivity, ensuring consistent service delivery even in the face of extreme weather and sophisticated cyber threats. Today, more than 60% of network issues get fixed before customers know there’s a problem.

More Demand

We constantly evolve our network to add capacity, reach more people, and exceed their rising expectations. We’re deploying next-generation technology throughout our network to deliver multi-gig symmetrical speeds to customers across our growing footprint, all as the average number of WiFi-connected devices has surpassed 20 per home.

A student uses a laptop to connect to an Xfinity hotspot

WiFi is how Americans connect today – 90% of smartphone traffic on Xfinity Mobile travels over WiFi, not cellular, and 94% of devices in the home connect to WiFi. That’s why we offer the best WiFi devices for our customers at home and why we’ve built the largest and smartest WiFi network in the nation: three times larger than any other provider.

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Innovation

We’re on a multi-year mission to make our network stronger and smarter. From our engineers in the Comcast Technology Center in Philadelphia, to network software developers in Denver and Silicon Valley, to response teams in every city and town we serve – we are united by one mission: to continuously improve our customers’ connected experiences with faster speeds, more capacity and greater reliability, all backed by industry-leading, and award-winning, technology.

Smart Network

Comcast engineers have developed the Comcast Octave platform that checks 4,000 telemetry data points on more than 46 million modems across the network every 20 minutes. The platform applies AI and machine learning to seamlessly optimize our Internet delivery and make our network even faster and more reliable down to the household level.

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Next-Gen Devices

We engineer our WiFi devices to maximize the capability of our network. Xfinity’s latest gateway will deliver symmetrical multi-gig speeds and combine next-generation connectivity technologies like WiFi 7 and DOCSIS 4.0. With AI built-in, the gateway can efficiently power up to 300 WiFi devices simultaneously.

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The Xfinity Advanced Security app displayed on a phone.

Cybersecurity

We protect customers with multiple layers of security that automatically detect and block hundreds of thousands of cyber events every second. Our security experts work 24 hours a day, 365 days a year, and perform regular penetration testing to strengthen our products and systems.

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Partners

The Internet is shifting to more real-time applications. Comcast is partnering with NVIDIA, Apple and Valve to revolutionize the next generation of Internet experiences. Together, we’re pushing forward innovations to make interactive online experiences faster and smoother.

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People

Comcast has thousands of technicians, engineers, and cybersecurity professionals who are always working to ensure fast, reliable Internet service. We’re in your neighborhood expanding access and improving connectivity, in our operations centers performing health checks to pinpoint potential issues, and across the country monitoring for privacy and security attacks.

Technology teammates work at a whiteboard

Our customer devices are engineered to harness the full power of our network.

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Our team of technologists across the country work to create and deliver innovations that provide faster speeds, more capacity and greater reliability.

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Since 2020, network traffic has spiked more than 30%. Comcast’s network continued to deliver fast and reliable speeds, even under the heaviest usage.

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A technician uses heavy machinery to fix a cable

We’ve invested billions of dollars to build technology that doesn’t just meet customer demands, but also anticipates future needs.

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Flexibility

Our network was built to provide flexibility and reliability so that we can quickly respond to spikes or shifts in usage – keeping Americans connected regardless of what’s happening around them, including severe weather and unexpected events.

Comcast has been investing in a nationwide network transformation to virtual, cloud-based technologies that require less hardware, space and energy per byte – with a goal to double network energy efficiency by 2030.

We have employees across the company ready to be deployed to help local communities during severe weather, power outages and more. Our teams go out into the field as soon as it is safe to work to get our customers connected as quickly as possible.