Company:  NEUSTAR INC (NSR)
Form Type:  SC 13G/A
Filing Date:  1/5/2012 
CIK:  0001265888 
Address:  21575 RIDGETOP CIRCLE 
City, State, Zip:  STERLING, Virginia 20166 
Telephone:  571-434-5400 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$47.98  
Change: 
0.59 (1.25%)  
Trade Time: 
May 17  
Market Cap: 
$3.16B
Description of Business
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  FORM SC 13G/A