. . . . . "UUNET (also UUnet) founded in 1987, was one of the largest Internet service providers and one of the nine Tier 1 networks. It was based in Northern Virginia and was the first commercial Internet service provider. Today, UUNET is an internal brand of Verizon Business (formerly MCI)."@en . "UUNET (also UUnet) founded in 1987, was one of the largest Internet service providers and one of the nine Tier 1 networks. It was based in Northern Virginia and was the first commercial Internet service provider. Today, UUNET is an internal brand of Verizon Business (formerly MCI)."@en . "UUnet"@en . .