[Letterhead of]
CRAVATH, SWAINE & MOORE LLP
[New York Office]
(212) 474-1131
CyrusOne Inc.
Amendment No. 6 to Registration Statement on Form S-11
File No. 333-183132
January 4, 2013
Dear Ms. Gowetski:
CyrusOne Inc. (the “Company”) has filed today with the Securities and Exchange Commission, via EDGAR, Amendment No. 6 (“Amendment No. 6”) to its Registration Statement on Form S-11 (File No. 333-183132) (the “Registration Statement”). Four clean copies of Amendment No. 6 and four copies that are marked to show changes from Amendment No. 5 to the Registration Statement, filed on December 12, 2012, are enclosed for your convenience along with three copies of this letter.
Please contact the undersigned at (212) 474-1131, or, in my absence, Daniel A. O’Shea at (212) 474-1792 or John C. Duffy at (212) 474-1408, with any questions or comments you may have regarding the Registration Statement.
| Very truly yours, |
| /s/ William V. Fogg |
| William V. Fogg |
Ms. Jennifer Gowetski
Senior Counsel
United States Securities and Exchange Commission
Division of Corporation Finance
100 F Street, N.E.
Washington, D.C. 20549-7010
Encls.
Copy w/encls., to:
Ms. Kristi Marrone, Staff Accountant
Mr. Daniel Gordon, Accounting Branch Chief
Ms. Folake Ayoola, Attorney Advisor
United States Securities and Exchange Commission
Division of Corporation Finance
100 F Street, N.E.
Washington, D.C. 20549-7010
Mr. Gary J. Wojtaszek, President and Chief Executive Officer
CyrusOne Inc.
1649 West Frankford Road
Carrollton, TX 75007
