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Popular E-book
Mar 13, 2026
TeleGeography's State of the Network Report
TeleGeography's State of the Network is a free annual report with unbiased data and analysis on the...
Submarine Cables
New Presentation
Mar 13, 2026
TeleGeography at IQPC Subsea Networks
Get the current and future state of the submarine cable industry in the Asia-Pacific region with...
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Case Study
Mar 12, 2026
How EXA Infrastructure Uses TeleGeography
A case study on how EXA Infrastructure uses TeleGeography platforms for data and analysis on data...
New Presentation
Feb 20, 2026
TeleGeography at PTC 2026
Download the presentation slides from TeleGeography's PTC Telecom Workshop.
New Presentation
Feb 13, 2026
TeleGeography at Capacity Middle East 2026
Download Paul Brodsky's presentation slides about global and Middle Eastern connectivity.
New Presentation
Feb 13, 2026
TeleGeography at Submarine Networks World 2025
Download Alan Mauldin's presentation from Submarine Networks World 2025.
Blog
Mar 13, 2026
Navigating Hostile Waters: Submarine Cable Infrastructure and the Strait of Hormuz
The Strait of Hormuz is a crucial artery, not only for the transit of oil and cargo but also for the...
Blog
Mar 2, 2026
TeleGeography's 2026 Submarine Cable Map
Happy 30th birthday to TeleGeography's telecommunications map! We're excited to release our 2026...
Podcast Episode
Feb 12, 2026
Infrastructure, Not Compute, is the Real AI Bottleneck
Blog
Nov 20, 2025
Securing Global Communications: An Examination of Foreign Adversary Threats to Subsea Cable...
Governments around the world are asking critical questions about national security and submarine cables,...
Podcast Episode
Oct 2, 2025
Protecting Internet Infrastructure with Submarine Cable Sensing
Podcast Episode
Sep 18, 2025
Current State and Forecasts for Submarine Cable Maintenance
Podcast Episode
Sep 11, 2025
Cybersecurity Challenges in Submarine Cable Systems
Podcast Episode
Sep 4, 2025
The Economics of Submarine Cables
Blog
Jul 24, 2025
You've Read About Submarine Cable Breaks. Now Read About the Repairs.
There is no shortage of headlines about high-profile cable breaks, particularly around the Baltic Sea...
Blog
Jul 18, 2025
The Regulatory and Geopolitical Environment of Cable Faults and Maintenance
Undersea cables are crucial to the global economy and national security. It's no surprise, then, that...
Blog
Jun 30, 2025
It’s Going to Take $3 Billion to Ensure Submarine Cable Repair Ships Can Keep the World Connected
A new report details what is needed to sustain current service levels and reduce repair delays for the...
Podcast Episode
Jun 5, 2025
An FCC Commissioner Explains Spectrum Allocation + Broadband Expansion
Blog
May 27, 2025
The Key Trends Shaping Long-Haul Capacity Demand
What's shaping the trajectory of the global bandwidth market? To answer that question, we identified...
Blog
May 15, 2025
Building Tomorrow’s Internet: A 2025 Update on Cable Investment
A steady stream of investment has driven tremendous growth in subsea cable infrastructure to keep pace...
Blog
Apr 3, 2025
One Patent to Rule Them All? Demystifying China’s “Terrifying” Cable-Cutting Tech
My family has probably watched Lord of the Rings a dozen times or more1. We can (and sometimes will)...
Blog
Apr 2, 2025
Bandwidth Demand is Strong in Latin America, But It's Slowing
It's true. The localization of content, applications, and compute in local hubs like São Paulo, paired...
Blog
Mar 4, 2025
It’s Time To Learn About Latency
Latency is a term that’s frequently cited when discussing long-haul networks. But what is it really?...
Blog
Feb 27, 2025
How Many Submarine Cables Are There, Anyway?
Subsea cables power the internet under oceans all over the world. But how many cables are there? As...
Blog
Feb 17, 2025
The State of the Network: Your 2025 Update on the Telecom Industry
Hello, gentle readers, and welcome to the 2025 State of the Network Report—our eighth edition. The...
Podcast Episode
Feb 6, 2025
The Podcast Goes Dark! (Dark Fiber, That is)
Blog
Jan 22, 2025
The Impact of AI on Submarine Cable Networks
Submarine networks enable uninterrupted connectivity among geographically dispersed physical data...
Blog
Nov 21, 2024
What To Know About Submarine Cable Breaks
Earlier this week, operators of two communications cables—C-Lion 1 and BCS East-West Interlink—reported...
Blog
Oct 2, 2024
Escaping the Matrix: AI and Submarine Cables
We are now moving from sci-fi to reality with the launch of many AI services that are poised to...
Blog
Sep 26, 2024
Once a Builder of the Internet, Now an Adviser to Future Builders
Sylvie LaPerrière, one of TeleGeography's esteemed partners, is a known tech leader in the digital...
Blog
Aug 12, 2024
Business Broadband in Africa: Notes From My Summer as a Research Intern
As our summer internship session winds down, TeleGeography welcomes summer pricing intern Zar Adisuryo...
Blog
Jun 27, 2024
A (Refreshed) List of Content Providers' Submarine Cable Holdings
We've posted submarine cables owned by content providers for nearly a decade. When we first published...
Blog
Jun 11, 2024
Mike Constable Considers Infrastructure from Every Angle
Mike Constable has logged many hours in digital infrastructure. He's the mind behind Infra-Analytics Pte...
Blog
May 28, 2024
Why Does Diversity Matter for Submarine Cables?
Last week, I joined Ciena’s Brian Lavallée and Colt’s Laurent Taieb for a live webinar all about...
Blog
May 17, 2024
Dr. Steve Grubb Looks Forward to the Next Wave of Technology Drivers
Dr. Steve Grubb’s fascination with subsea cable technology began in the 1990s. Thirty years later, now...
Blog
May 3, 2024
Philip Low Plans for AI Deployment and Decarbonization
Philip Low, Chairman of Platform Markets Group and Managing Director of Headwinds Consultants, has a lot...
Blog
Apr 3, 2024
The Reality of Latin American Connectivity
A few weeks ago, TeleGeography headed back to São Paulo to participate in the Capacity Latin America...
Blog
Feb 23, 2024
Flashback Friday: Submarine Cable Repair in the 1980s
If you've read over our Submarine Cable Frequently Asked Questions, you know that cable faults are...
Podcast Episode
Feb 15, 2024
What is a Transport Network?
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Blog
Jan 17, 2024
The Red Sea: A Key Subsea Cable Crossroads Under Siege
The Red Sea is a global hot spot at the moment due to repeated attacks by Yemeni Houthi rebels against...
Blog
Nov 30, 2023
Want To Retire in Your 20s? Become a Submarine Cable
Wouldn't it be great to be fully retired before your 30th birthday? Because they are engineered with a...
Blog
Jul 20, 2023
Content Providers Are Still Hungry for Bandwidth
Earlier this week, I joined Ciena and Telstra for a live webinar highlighting Asia-Pacific market...
Blog
Jun 7, 2023
Latin American Pricing Takeaways From ITW
Last month, the TeleGeography team joined scores of ICT infrastructure professionals in National Harbor,...
Podcast Episode
Apr 18, 2023
What Happens to Cables When The Earth Moves Under Our Feet?
Podcast Episode
Mar 9, 2023
Behind the Seas: Making Our Famous Submarine Cable Map
Blog
Jan 4, 2023
AI vs. TeleGeography: The Submarine Cable Showdown
The TG team is enjoying OpenAI's new ChatGPT—an artificial intelligence assistant trained to answer...
Blog
Dec 15, 2022
Latin American Market Trends: Brazil and Mexico
As telecom analysts, my TeleGeography colleagues and I have been busy attending conferences and...
Blog
Oct 3, 2022
Gloomy Economic Indicators… Scary Future for the Subsea Cable Industry?
Some pretty ominous headlines have been circulating around the world lately regarding the risk of a...
Blog
Aug 11, 2022
A is for Autonomous System: The Telecom Glossary of Your Dreams
Let's face it—there are a lot of definitions to memorize in the telecom space. And if you've ever racked...
Blog
Jul 20, 2022
Expectations for India’s Used International Bandwidth
Here's a headline you might have caught recently. Our research indicates that India’s used international...
Blog
Jun 30, 2022
New Cables Are Coming to Africa
While used international bandwidth has significantly increased in Africa in recent years, the region has...
Podcast Episode
Apr 5, 2022
How Global Events Impact the Internet
Blog
Oct 19, 2021
Who Really Cares About Latency?
Specifically, which applications and network operators have latency on their minds? Well, content...
Podcast Episode
May 17, 2021
Submarine Cables: It's Not Bitcoin
Blog
Feb 11, 2020
About That PLCN Delay: Four Trans-Pacific Cable Market Facts to Consider
There's been a lot of press about delayed approval for the Pacific Light Cable Network (PLCN) cable,...
Blog
Oct 3, 2019
Signals of Success: What to Look for in Submarine Cable Press Releases
I'm a cynic and you can be one, too! This was the title of Tim Stronge's presentation during a recent...
Blog
Apr 5, 2019
Are All These New Undersea Cables Really Giving Us Faster Internet? Not Exactly.
How many times have we heard that new undersea cables will bring consumers Internet speeds faster than a...
Blog
Oct 4, 2018
Is a Mass Extinction of Submarine Cables Looming?
The rapid pace of demand growth is only going to require more international bandwidth in the coming...
Blog
Aug 9, 2018
The Ultimate Throwback Thursday: TeleGeography's First Map
TeleGeography started producing submarine cable maps in 1999, but we had been mapping the world of...
Blog
Jul 30, 2018
Happy Anniversary to the AC-1: A Twenty Year Retrospective at Subsea EMEA
Way back in 1998, a press release went out from Global Crossing about the first segment of their...
Blog
Jun 12, 2018
Three Things Investors Should Know About the Submarine Cable Market
We get lots of questions about submarine cables. Where are they? Who owns them? What happens when they...
Blog
May 2, 2018
Submarine Cable Redundancy, Explained
You might have heard about a recent cable cut near Mauritania. The short version? On March 30, damage to...
Blog
Oct 30, 2017
Stranger Things: Why Netflix Isn’t Behind New Submarine Cable Builds
Besides sharks eating undersea cables, one of the biggest myths that I’ve seen recently is Netflix being...
Blog
Aug 16, 2017
Three Facts That Summarize the Current Global Wholesale Bandwidth Market
We've been tracking the market for long-haul networks and submarine cables since 1999. Our data...
Blog
May 3, 2017
Cable Breakage: When and How Cables Go Down
Earlier this year we fielded some of the most frequently asked questions about submarine cables. How do...
Blog
Jul 14, 2016
Mythbusters: Revenge of the Cable Myths, Part III
In Part II of TeleGeography's Mythbusters presentation at SubOptic 2016, Alan Mauldin busted five myths...
Blog
Jul 7, 2016
Mythbusters: Revenge of the Cable Myths, Part II
In the first part of TeleGeography’s Mythbusters presentation at SubOptic 2016, Tim Stronge busted myths...
Blog
Jun 30, 2016
Mythbusters: Revenge of the Cable Myths, Part I
TeleGeography’s Tim Stronge and Alan Mauldin returned to the triennial SubOptic conference this year to...
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