| Founded | 1993; 33 years ago (1993) |
|---|---|
| Defunct | July 2, 2012; 13 years ago (2012-07-02) |
| Fate | Acquired byZayo Group |
| Headquarters | White Plains, New York |
| Revenue | |
| Total assets | |
| Total equity | |
Number of employees | 713 (2011) |
| Footnotes / references [1] | |
AboveNet was a provider of highbandwidthtelecommunication circuits primarily for large corporate enterprises and communications carriers in 17 markets in the United States and 4 markets in Europe. Its private optical network delivered key network and IP services and was used in financial and legal services, media, health care, retail, and government.
The company was formerly named Metromedia Fiber Network and changed its name to AboveNet in 2003 after emerging frombankruptcy.
Before its bankruptcy in 2002, the company was financially backed byJohn Kluge andVerizon.
In 2012, the company was acquired byZayo Group for $2.2 billion in cash.

The company was founded in 1993 as AboveNet, by founder Sherman Tuan. It initially focused on 'one-hop' internet connectivity and providingdark fiber to communications carrier customers in the U.S. and Europe.
Abovenet Communications became apublic company via aninitial public offering in December 1998 and soared 32% in one day in March 1999 during thedot-com bubble after announcing astock split.[2]
In June 1999, Metromedia acquired Abovenet Communications, including its subsidiaryPAIX, an operator of Internetpeering exchanges.[3][4][5] Following the acquisition, the company changed its name to Metromedia Fiber Network in 2000.
In 2000, the company acquired M.I.B.H., a networking consultancy operated byPaul Vixie, for $51 million in cash and stock.
Also in 2000,Verizon invested $970 million inconvertible bonds and $715.4 million in common stock of the company.[6]
In 2001, the company acquired SiteSmith, a provider of managed web-hosting services, for $1.36 billion in stock.[7][8]
In May 2002, the company filedbankruptcy.[9]
In September 2003, the company emerged from bankruptcy and changed its name to Abovenet, withCraig McCaw, Franklin Mutual Advisers, andJohn Kluge among its largest shareholders.[10]
In October 2006,Digital Realty acquired the east coastdata centers of the company for $40 million.[11]
In 2007, the company acquired fiber fromAT&T and Verizon that the companies were selling to comply with antitrust law.[12]
On July 2, 2012,Zayo Group, an American communications company, acquired AboveNet for $2.2 billion in cash.[13]