AboveNet Communications, Inc., Joins with NEF to Increase Presence in 4 Key Metro Markets

Bundled Network Optimization Products and Services Bring Value to Large Enterprises

New York, November 30, 2006 - AboveNet, Inc., a leader in private metro optical networks, has joined forces with NEF, Inc., a leading network connectivity solutions provider, to increase their collective presence in four major metro markets: Boston, Philadelphia, Atlanta, and Phoenix.

AboveNet has extensive lit and dark fiber network capabilities in these four regions and is executing an aggressive sales strategy in conjunction with NEF to actively grow their collective customer base by providing private custom optical networking solutions.

Michael Murphy, CEO of NEF, offers, “Our customers’ connectivity needs are evolving, and through our partnership with AboveNet, we are answering the call for more stable, secure networks, higher speeds and competitive rates. We look forward to utilizing AboveNet’s world class private metro optical network solutions to satisfy the needs of our customers for secure, scalable, low latency solutions in these four growing markets.”

“Customers need diverse fiber optic metro network solutions and are moving away from traditional RBOC/TDM solutions in order to remain compliant with Sarbanes-Oxley regulatory requirements. With LAN / WAN / Storage applications increasing bandwidth demands, customers seek the security, scalability and flexibility that AboveNet optical networks provide,” says MaryBeth Nance, AboveNet Director of Business Development.

About AboveNet, Inc.
AboveNet, Inc. provides fiber connectivity solutions for businesses and carriers. Its private optical network delivers key network and IP services in and between 14 top U.S. metro markets and London. AboveNet's network is widely used in demanding markets such as financial services, media, health care, retail and government.

About NEF
NEF, Inc., is one of the nation’s top telecommunications consulting firms, offering 25 years of industry experience and a proven methodology for providing its customers with the best networks, information and pricing available. NEF can provide a broad spectrum of products from dark fiber to high bandwidth, fully managed optical services. Through their partners, such as Abovenet, NEF designs custom connectivity solutions and provides access to over 2.1 million miles of metro and national fiber and over 7000 access points.

# # #

This news release contains forward-looking statements that involve risks and uncertainties. Factors that could cause or contribute to such risks and uncertainties include, but are not limited to, general economic and business conditions, competition, changes in technology and methods of marketing, and various other factors beyond the Company’s control. This also includes such factors as are described from time to time in the SEC reports filed by AboveNet, Inc. including the most recently filed Forms S-3 and 8-K.