<SEC-DOCUMENT>0001104659-17-007709-index.html : 20170209
<SEC-HEADER>0001104659-17-007709.hdr.sgml : 20170209
<ACCEPTANCE-DATETIME>20170209121006
ACCESSION NUMBER:		0001104659-17-007709
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170209
DATE AS OF CHANGE:		20170209

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEUSTAR INC
		CENTRAL INDEX KEY:			0001265888
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMUNICATION SERVICES, NEC [4899]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-80855
		FILM NUMBER:		17586305

	BUSINESS ADDRESS:	
		STREET 1:		21575 RIDGETOP CIRCLE
		CITY:			STERLING
		STATE:			VA
		ZIP:			20166
		BUSINESS PHONE:		571-434-5400

	MAIL ADDRESS:	
		STREET 1:		21575 RIDGETOP CIRCLE
		CITY:			STERLING
		STATE:			VA
		ZIP:			20166

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PRIMECAP MANAGEMENT CO/CA/
		CENTRAL INDEX KEY:			0000763212
		IRS NUMBER:				953868081

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		177 EAST COLORADO BLVD.
		STREET 2:		11TH FLOOR
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91105
		BUSINESS PHONE:		6263049222

	MAIL ADDRESS:	
		STREET 1:		177 EAST COLORADO BLVD.
		STREET 2:		11TH FLOOR
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91105
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>a17-3986_39sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: a17-3986_39sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>