Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Ainge Dennis
 2. Date of Event Requiring Statement (Month/Day/Year)
05/03/2012		 3. Issuer Name and Ticker or Trading Symbol
NEUSTAR INC [NSR]
(Last)
(First)
(Middle)
21575 RIDGETOP CIRCLE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP, Information Services
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

STERLING, VA 20166		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Class A Common Stock 7,000 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Options   (2) 12/12/2018 Class A Common Stock 50,000 $ 33.5 D  
Restricted Stock Units   (3)   (4) Class A Common Stock 9,640 $ 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Ainge Dennis
21575 RIDGETOP CIRCLE
STERLING, VA 20166		       SVP, Information Services  

Signatures

/s/ Paul S Lalljie, by power of attorney 05/14/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The shares acquired were awarded pursuant to a restricted stock agreement under the NeuStar, Inc. 2009 Stock Incentive Plan, which provides that 1,750 shares will vest on each of November 8, 2012, 2013, 2014 and 2015.
(2) Twenty-five percent of the options vest on November 8, 2012, after which the remaining options vest in thirty-six monthly installments
(3) Twenty percent of the restricted stock units vest on each of January 1, 2013, 2014, 2015, 2016 and 2017.
(4) Upon the Reporting Person's Termination (as defined in the NeuStar, Inc. 2009 Stock Incentive Plan (the "Plan")), including by reason of death or Disability (as defined in the Plan), other than by the Company for Cause (as defined in the Plan) or by the Reporting Person without Good Reason (as defined in the Restricted Stock Unit Agreement), any unvested restricted stock units that would have vested during the 12 months after such separation from NeuStar, Inc. shall immediately vest, and the remainder of any unvested restricted stock units shall immediately be forfeited without compensation.

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