Overseas Fiber Optic Communication
Fibre-optic Link Around the Globe (FLAG) is a 28,000-kilometre-long (17,398 ; 15,119 ) mostly- that connects the,,, and many places in between. How many fibre optic cables are in the ocean? As of 2025, there are over 600 active and planned undersea internet cables. Explore the physical backbone of the internet with our interactive map of undersea fiber optic cables, peering exchange points, and more. Every day, we send countless emails, take part in video calls, use search engines and streaming services, while seamlessly banking online. Projects such as SEA-ME-WE (Southeast Asia - Middle East - Western Europe) and FLAG (Fiber-Optic Link Around the Globe) established intercontinental fiber-optic routes, bridging entire regions with high-speed data links.
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