<SEC-DOCUMENT>0000000000-15-003146-index.html : 20150220
<SEC-HEADER>0000000000-15-003146.hdr.sgml : 20150220
<ACCEPTANCE-DATETIME>20150122142127
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000000000-15-003146
CONFORMED SUBMISSION TYPE:	UPLOAD
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150122

FILED FOR:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			21Vianet Group, Inc.
		CENTRAL INDEX KEY:			0001508475
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		UPLOAD

	BUSINESS ADDRESS:	
		STREET 1:		M5, 1JIUXIANQIAO EAST ROAD
		STREET 2:		Chaoyang District
		CITY:			Beijing
		STATE:			F4
		ZIP:			100016
		BUSINESS PHONE:		(86 10) 8456-2121

	MAIL ADDRESS:	
		STREET 1:		M5, 1JIUXIANQIAO EAST ROAD
		STREET 2:		Chaoyang District
		CITY:			Beijing
		STATE:			F4
		ZIP:			100016

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	21 Vianet Group, Inc.
		DATE OF NAME CHANGE:	20101221
PUBLIC REFERENCE ACCESSION NUMBER:		0001193125-14-137194 [HTML]
</SEC-HEADER>
<DOCUMENT>
<TYPE>LETTER
<SEQUENCE>1
<FILENAME>filename1.pdf
<TEXT>
Document 1 - file: filename1.pdf

</DOCUMENT>
</SEC-DOCUMENT>