Meta (Facebook) is reported to be planning to build a super long undersea cable that the company will fully own. That's about 38% of Zimbabwe's annual GDP, for context. The planned fiber-optic cable will span. This interactive submarine cable map shows global undersea and underwater fiber optic cables connecting continents and countries worldwide. Explore cable routes, landing stations, system status and infrastructure updates. Analyze network nodes within a 10 km radius using our automated API service. ↓ Learn how it works From April 17 to May 7, 2026, our monitors watched Tannat's Argentina-to-Brazil latency drift from 25ms to 506ms — twenty times. This visualization shows the growth of the undersea cable network, global internet peering capacity, and the distribution of IP addresses via BGP announcements over time.
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