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Tymnet
Last modified: Friday, October 25, 1996
One of the largest public datanetworks (PDNs) in the United States. Tymnet is owned by MCI. A competing network, called Telenet, is owned by U.S. Sprint Communications Corporation.
MCI Tymnet information page Provides information on Tymnet access, including access numbers, software for FTPTool for Windows, and a link to dialup support.