TelemaxX (42% owned by Stadtwerke Karlsruhe) opened its fiber network on 18 September 2000, operating 3,000+ km of backbone fiber in the Karlsruhe region (Source).
Germany
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Organization: Any kind of organization. The Organization class represents a kind of Agent corresponding to social instititutions such as companies, societies etc.
About
Stadtwerke Karlsruhe GmbH is an ISP and Network Operator providing broadband services in the Karlsruhe region of Baden-Württemberg. GmbH founded 1 July 1997. (Source), (Source).