FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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 * GOGUEN MICHAEL L   2. Issuer Name and Ticker or Trading Symbol INFOBLOX INC [BLOX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O SEQUOIA CAPITAL, 3000 SAND HILL ROAD, 4-250 3. Date of Earliest Transaction (Month/Day/Year) 03/13/2013 (Street) MENLO PARK, CA 94025 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/13/2013   S   100,072 D $ 21.74 (1) 461,963 I Michael L. Goguen Trust dated March 28, 2003 (2) Common Stock 03/14/2013   S   40,428 D $ 21.1 (3) 421,535 I Michael L. Goguen Trust dated March 28, 2003 (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
GOGUEN MICHAEL L C/O SEQUOIA CAPITAL 3000 SAND HILL ROAD, 4-250 MENLO PARK, CA 94025	X

Signatures

Melinda Dunn, by power of attorney for Michael Goguen		03/15/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	Price shown is the weighted average sale price. The sale transactions reported on this line ranged in price from $21.50 to $22.09. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, Infoblox Inc., or a security holder of Infoblox Inc., full information regarding the number of shares sold at each separate price.
(2)	Shares held by the Michael L. Goguen Trust dated March 28, 2003, for which the Reporting serves as trustee. The reporting person may be deemed to beneficially own the shares held by the Michael L. Goguen Trust dated March 28, 2003. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 or for any other purpose.
(3)	Price shown is the weighted average sale price. The sale transactions reported on this line ranged in price from $21.00 to $21.54. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, Infoblox Inc., or a security holder of Infoblox Inc., full information regarding the number of shares sold at each separate price.

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