**EXHIBIT        4.9**

**AMENDMENT        NO. 1 TO THE STANDSTILL AGREEMENT**

----

**IN        WITNESS WHEREOF, this Amendment No. 1 to the Agreement has been**
**executed        as of the date first written above.**

|   |                                                            |                                                    |
|--------|-----------------------------------------------------------------|---------------------------------------------------------|
|   | **ABOVENET,                  INC.**                             |
|   | **By: **                                                   | ** /s/ Robert                  Sokota**       |
|   |                                                            | **Name:** **Robert                  Sokota**  |
|   |                                                            | **Title: SVP and General                  Counsel**     |
|   |                                                            |                                               |
|        | **/s/** **John                  W. Kluge**                 |
|   | **John                  W.                  Kluge**   |

|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |                                               |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------|
|   | **FOURTEENTH                    RESTATEMENT OF TRUST****AGREEMENT,                    DATED MAY 30,1984,****BETWEEN                    JOHN W. KLUGE, AS GRANTOR,****AND                    JOHN W. KLUGE AND****MANUFACTURERS                    HANOVER TRUST****COMPANY                    (NOW JPMORGAN CHASE BANK,****N.A.                    OF NEW YORK), AS ORIGINAL****TRUSTEES                    (THE CURRENT TRUSTEES BEING****JOHN                    W. KLUGE AND STUART SUBOTNICK),****DATED                    APRIL 4, 2008** |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |                                               |
|        | **By:  **                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | **/s/** **Stuart                  Subotnick** |
|   | **Name:                    Stuart Subotnick**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|   | **Title:                    Trustee**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|   |                                                    |                                            |
|--------|---------------------------------------------------------|-------------------------------------------------|
|   | **/s/** **Stuart                  Subotnick**      |
|   | **Stuart                  Subotnick **   |
|   |                                                    |
|   |                                                    |
|   | **JWK                    ENTERPRISES, LLC **  |
|        | **By:  **                                     | **/s/** **John                  W. Kluge** |
|   | **Name:                    John W. Kluge**              |
|   | **Title:                    Manager**                   |

----