1&1 Versatel Fiber Backbone network. 1&1 Versatel builds and owns its own large fiber-optic backbone (67,000+ km) (Source), (Source).
Germany
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Network: Any physical infrastructure network that forms a telecom-related network and occupies physical space in/on the ground.
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1&1 Versatel Fiber Backbone network. 1&1 Versatel builds and owns its own large fiber-optic backbone (67,000+ km). Versatel began constructing its own fibre backbone upon market entry on 23 November 1999 (Source), (Source).