UUNET
Early Internet service provider, once one of the largest ISPs globally.
Last updated August 25, 2026
Overview
Founded in 1987, UUNET was an early commercial Internet service provider, starting with Usenet and email services, later becoming a global ISP. Acquired by WorldCom in 1996, then merged into Verizon via MCI, the brand gradually disappeared.
Products and positioning
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