<SEC-DOCUMENT>0001553023-17-000123-index.html : 20171005
<SEC-HEADER>0001553023-17-000123.hdr.sgml : 20171005
<ACCEPTANCE-DATETIME>20171005162320
ACCESSION NUMBER:		0001553023-17-000123
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20171005
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20171005
DATE AS OF CHANGE:		20171005

FILER:

	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

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35789
		FILM NUMBER:		171124853

	BUSINESS ADDRESS:	
		STREET 1:		2101 CEDAR SPRINGS ROAD
		STREET 2:		SUITE 900
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		(972) 350-0060

	MAIL ADDRESS:	
		STREET 1:		2101 CEDAR SPRINGS ROAD
		STREET 2:		SUITE 900
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a8-ksentinelq22017.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a8-ksentinelq22017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>sentinelnotestoproformaq22.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: sentinelnotestoproformaq22.htm

</DOCUMENT>
</SEC-DOCUMENT>