SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* HARBINGER CAPITAL PARTNERS MASTER FUND I, LTD. (Last) (First) (Middle) C/O INT'L FUND SVCS (IRELAND) LIMITED 3RD FL, BISHOP'S SQUARE, REDMONDS HILL (Street) DUBLIN L2 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol ABOVENET INC [ ABVT ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 02/24/2006
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/24/2006		S		25,000	D	$37	1,261,140(1)	D
Common Stock	02/24/2006		S		0	D	$0	1,261,140(2)	I	By Harbinger Capital Partners Master Fund I, Ltd.
Common Stock								33,576(3)	I	By Alpha US Sub Fund VI, LLC

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* HARBINGER CAPITAL PARTNERS MASTER FUND I, LTD. (Last) (First) (Middle) C/O INT'L FUND SVCS (IRELAND) LIMITED 3RD FL, BISHOP'S SQUARE, REDMONDS HILL (Street) DUBLIN L2 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* HARBINGER CAPITAL PARTNERS OFFSHORE MANAGER, L.L.C. (Last) (First) (Middle) ONE RIVERCHASE PARKWAY SOUTH (Street) BIRMINGHAM AL 35244 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* HMC INVESTORS LLC (Last) (First) (Middle) ONE RIVERCHASE PARKWAY SOUTH (Street) BIRMINGHAM AL 35244 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* FALCONE PHILIP (Last) (First) (Middle) 555 MADISON AVE 16TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* HARBERT RAYMOND J (Last) (First) (Middle) ONE RIVERCHASE PARKWAY SOUTH (Street) BIRMINGHAM AL 35244 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* LUCE MICHAEL D (Last) (First) (Middle) ONE RIVERCHASE PARKWAY SOUTH (Street) BIRMINGHAM AL 35244 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. These securities are owned by Harbinger Capital Partners Master Fund I, Ltd., which is a Reporting Person.

2. These securities may be deemed to be beneficially owned by Harbinger Capital Partners Offshore Manager, L.L.C. ("Harbinger Management"), the investment manager of Harbinger Capital Partners Master Fund I, Ltd., HMC Investors, L.L.C., its managing member ("HMC Investors"), Philip Falcone, the portfolio manager of Harbinger Capital Partners Master Fund I, Ltd., Raymond J. Harbert, a member of HMC Investors, and Michael D. Luce, a member of HMC Investors. Each such Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

3. These securities may be deemed to be beneficially owned by HMC Investors, Philip Falcone, who is the portfolio manager of Alpha US Sub Fund VI, LLC, Raymond J. Harbert and Michael D. Luce. Each such Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

	Harbinger Capital Partners Master Fund I, Ltd., Harbinger Capital Partners Offshore Manager, LLC, By: HMC Investors, LLC, Managing Member By: /s/ Joel B. Piassick	02/28/2006
	Harbinger Capital Partners Offshore Manager, LLC, By: HMC Investors, LLC, Managing Member By: /s/ Joel Piassick	02/28/2006
	HMC Investors, LLC By: /s/ Joel Piassick	02/28/2006
	By: /s/ Philip Falcone	02/28/2006
	By: /s/ Raymond J. Harbert	02/28/2006
	By: /s/ Michael D. Luce	02/28/2006
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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