National Digital Transmission Network (NDTN): the submarine cable on a map

National Digital Transmission Network (NDTN) is a submarine communications cable, about 920 km of route on the sea floor in 3 segments. Where it runs and what else is down there, on a live map.

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The facts

Cable: National Digital Transmission Network (NDTN)
Route length: about 920 km (drawn route)
Segments: 3
Label point: 10.32, 122.22

Source

TeleGeography Submarine Cable Map. This page was built from the feed on 2026-10-11 15:03 UTC; the live map shows it as it is now.

More on this layer

The wires: what it shows and where the data comes from

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<p style="font-size:13px;margin:4px 0 0"><a href="https://shop.lumnika.com/layearth/cables/national-digital-transmission-network-ndtn/?ref=embed-credit">National Digital Transmission Network (NDTN): the submarine cable on a map</a> · The wires live map by LayEarth</p>