ABOVENET INC

Q: Mar 31 2012

FY: Dec 31 2011

Q: Sep 30 2011

Q: Jun 30 2011

Q: Mar 31 2011

FY: Dec 31 2010

Q: Sep 30 2010

Q: Jun 30 2010

Q: Mar 31 2010

FY: Dec 31 2009

Q: Sep 30 2009

Q: Jun 30 2009

Q: Mar 31 2009

FY: Dec 31 2008

Q: Sep 30 2008

Q: Mar 31 2008

Q: Jun 30 2008

FY: Dec 31 2007

FY: Dec 31 2006

FY: Dec 31 2001

Termination of a Material Definitive Agreement

5.07,8.01,9.01

Results of Operations and Financial Condition

8.01,9.01

8.01,9.01

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

8.01,9.01

5.03,9.01

5.02,9.01

2.02,7.01,9.01

Results of Operations and Financial Condition

5.02,5.07,9.01

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

2.02,7.01,9.01

Entry into a Material Definitive Agreement

5.02,8.01,9.01

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

8.01,9.01

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Certification of termination of registration of a class of securities (Section 12(g))

Registration statement under Securities Act of 1933

Notification of removal from listing and/or registration on a national securities exchange

Notice of Effectiveness

Notice of Effectiveness

Notice of Effectiveness

Notice of Effectiveness

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

No description available

No description available

Definitive Proxy Statement

Definitive Proxy Statement

No description available

No description available

Definitive Proxy Statement

COLUMBIA WANGER ASSET MANAGEMENT LLC

Datta Rajiv

Ridolfi Nicholas

SUBOTNICK STUART

POSTMA RICHARD

SHORTEN RICHARD L

CIAVARELLA JOSEPH

BRODSKY JEFFREY A

LAPERCH WILLIAM G

SOKOTA ROBERT J

EMBLER MICHAEL J

BlackRock Inc.

LAPERCH WILLIAM G

EMBLER MICHAEL J

SHORTEN RICHARD L

FRANKLIN MUTUAL ADVISERS LLC

Corvex Management LP

Corvex Management LP

York Capital Management Global Advisors, LLC

TA X, L.P.

Post-effective amendment to an automatic shelf registration statement

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

No description available