UUNET
2000 - The UUNET brand is folded into WorldCom's product line and disappears
2003 - The UUNET brand re-emerges as WorldCom's wholesale-only brand
2004 - WorldCom renames itself to MCI, still using the UUNET brand for wholesale business.
2005 - MCI again drops the UUNET brand for wholesale business. The name is no longer in use to this date.
2006 - Verizon acquires MCI, including its UUNET subsidiary, now known as Verizon Business. AS701 remains the backbone of Verizon Business although its origin dates back to 1990 when it was under the UUNET flag.