Cox Communications appears to be impeding peer-to-peer file-sharing traffic in the same way Comcast has, according to a study released Thursday by a German research group.

Germany’s Max Planck Institute, a science and technology research organization, analyzed a test of 8,175 Internet volunteers around the world and found that both Comcast and Cox are blocking peer-to-peer traffic over their networks during all hours of the day.

In a statement sent to the Associated Press, Cox said: "To ensure the best possible online experience for our customers, Cox actively manages network traffic through a variety of methods including traffic prioritization and protocol filtering."

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