Cogent Communications

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Cogent Communications is a multinational internet service provider based in the United States. Cogent's primary services consist of Internet access and data transport, offered on fiber optic, IP data-only network, along with colocation in data centers.

Cogent's AS (174) has one of the highest-ranked connectivity degrees on the Internet.[1][2]

Acquisition history

Cogent was founded in 1999 at the peak of the industry's growth. In three years, Cogent acquired 13 other carriers, purchasing $14 billion in capital for $60 million, including $4 billion worth of Property, Plant and Equipment.[3]


Cogent has been the subject of numerous peering disputes. On April 28, 2011, Communications Network Services engineer Phil Benchoff noticed that Cogent, Virginia Tech's commodity Internet provider, had depeered with both Google and Hurricane Electric, a major provider of IPv6 transit, causing some IPv6 routes to become available only over Internet2. [4] On a NANOG mailing list, a HE employee blamed Cogent for refusing to peer.[5]


External links

This article has been modified from an original version written for Wikipedia. The original version was made available under the CC-BY-SA 3.0 Unported license.