<SEC-DOCUMENT>0001140361-15-014849-index.html : 20150409
<SEC-HEADER>0001140361-15-014849.hdr.sgml : 20150409
<ACCEPTANCE-DATETIME>20150409095347
ACCESSION NUMBER:		0001140361-15-014849
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150407
FILED AS OF DATE:		20150409
DATE AS OF CHANGE:		20150409

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CyrusOne Inc.
		CENTRAL INDEX KEY:			0001553023
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1649 W. FRANKFORD RD.
		CITY:			CARROLLTON
		STATE:			TX
		ZIP:			75007
		BUSINESS PHONE:		214-488-1365

	MAIL ADDRESS:	
		STREET 1:		1649 W. FRANKFORD RD.
		CITY:			CARROLLTON
		STATE:			TX
		ZIP:			75007

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CINCINNATI BELL INC
		CENTRAL INDEX KEY:			0000716133
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35789
		FILM NUMBER:		15760530

	BUSINESS ADDRESS:	
		STREET 1:		221 E FOURTH ST
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45202
		BUSINESS PHONE:		513-397-9900

	MAIL ADDRESS:	
		STREET 1:		P O BOX 2301
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45201

	FORMER NAME:	
		FORMER CONFORMED NAME:	BROADWING INC
		DATE OF NAME CHANGE:	20000512

	FORMER NAME:	
		FORMER CONFORMED NAME:	CINCINNATI BELL INC /OH/
		DATE OF NAME CHANGE:	19920703

	FORMER NAME:	
		FORMER CONFORMED NAME:	CBI INC
		DATE OF NAME CHANGE:	19830814
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: doc1.html

Document 1 - RAW XML: doc1.xml

</DOCUMENT>
</SEC-DOCUMENT>