Ownership Submission
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 __X__ 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)
04/25/2012
(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 04/25/2012   C   4,346,174 A (1) 4,484,254 I By Sequoia Capital X, LP (2)
Common Stock 04/25/2012   C   387,505 A (1) 399,816 I By Sequoia Capital X Principals Fund, LP (3)
Common Stock 04/25/2012   C   626,012 A (1) 645,900 I By Sequoia Technology Partners X, LP (4)
Common Stock 04/25/2012   C   1,070,773 A (5) 1,106,569 I By Sequoia Capital Franchise Fund, LP (6)
Common Stock 04/25/2012   C   146,014 A (5) 150,895 I By Sequoia Capital Franchise Partners, LP (7)
Common Stock 04/25/2012   C   986,693 A (5) 5,470,947 I By Sequoia Capital X, LP (2)
Common Stock 04/25/2012   C   87,973 A (5) 487,789 I By Sequoia Capital X Principals Fund, LP (3)
Common Stock 04/25/2012   C   142,121 A (5) 788,021 I By Sequoia Technology Partners X, LP (4)
Common Stock 04/25/2012   C   19,243 A (8) 19,243 I By Sequoia Capital Entrepreneurs Annex Fund, LP (9)
Common Stock 04/25/2012   C   694,274 A (8) 1,800,843 I By Sequoia Capital Franchise Fund, LP (6)
Common Stock 04/25/2012   C   94,673 A (8) 245,568 I By Sequoia Capital Franchise Partners, LP (7)
Common Stock 04/25/2012   C   461,849 A (8) 461,849 I By Sequoia Capital IX, LP (10)
Common Stock 04/25/2012   C   1,404,354 A (8) 6,875,301 I By Sequoia Capital X, LP (2)
Common Stock 04/25/2012   C   125,212 A (8) 613,001 I By Sequoia Capital X Principals Fund, LP (3)
Common Stock 04/25/2012   C   202,279 A (8) 990,300 I By Sequoia Technology Partners X, LP (4)

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
Series C Convertible Preferred Stock (1) 04/25/2012   C     13,038,522 (1)   (1)   (1) Common Stock 4,346,174 $ 0 0 I By Sequoia Capital X, LP (2)
Series C Convertible Preferred Stock (1) 04/25/2012   C     1,162,517 (1)   (1)   (1) Common Stock 387,505 $ 0 0 I By Sequoia Capital X Principals Fund, LP (3)
Series C Convertible Preferred Stock (1) 04/25/2012   C     1,878,036 (1)   (1)   (1) Common Stock 626,012 $ 0 0 I By Sequoia Technology Partners X, LP (4)
Series D Convertible Preferred Stock (5) 04/25/2012   C     3,212,319 (5)   (5)   (5) Common Stock 1,070,773 $ 0 0 I By Sequoia Capital Franchise Fund, LP (6)
Series D Convertible Preferred Stock (5) 04/25/2012   C     438,044 (5)   (5)   (5) Common Stock 146,014 $ 0 0 I By Sequoia Capital Franchise Partners, LP (7)
Series D Convertible Preferred Stock (5) 04/25/2012   C     2,960,080 (5)   (5)   (5) Common Stock 986,693 $ 0 0 I By Sequoia Capital X, LP (2)
Series D Convertible Preferred Stock (5) 04/25/2012   C     263,921 (5)   (5)   (5) Common Stock 87,973 $ 0 0 I By Sequoia Capital X Principals Fund, LP (3)
Series D Convertible Preferred Stock (5) 04/25/2012   C     426,363 (5)   (5)   (5) Common Stock 142,121 $ 0 0 I By Sequoia Technology Partners X, LP (4)
Series E Convertible Preferred Stock (8) 04/25/2012   C     57,731 (8)   (8)   (8) Common Stock 19,243 $ 0 0 I By Sequoia Capital Entrepreneurs Annex Fund, LP (9)
Series E Convertible Preferred Stock (8) 04/25/2012   C     2,082,824 (8)   (8)   (8) Common Stock 694,274 $ 0 0 I By Sequoia Capital Franchise Fund, LP (6)
Series E Convertible Preferred Stock (8) 04/25/2012   C     284,021 (8)   (8)   (8) Common Stock 94,673 $ 0 0 I By Sequoia Capital Franchise Partners, LP (7)
Series E Convertible Preferred Stock (8) 04/25/2012   C     1,385,549 (8)   (8)   (8) Common Stock 461,849 $ 0 0 I By Sequoia Capital IX, LP (10)
Series E Convertible Preferred Stock (8) 04/25/2012   C     4,213,063 (8)   (8)   (8) Common Stock 1,404,354 $ 0 0 I By Sequoia Capital X, LP (2)
Series E Convertible Preferred Stock (8) 04/25/2012   C     375,638 (8)   (8)   (8) Common Stock 125,212 $ 0 0 I By Sequoia Capital X Principals Fund, LP (3)
Series E Convertible Preferred Stock (8) 04/25/2012   C     606,839 (8)   (8)   (8) Common Stock 202,279 $ 0 0 I By Sequoia Technology Partners X, LP (4)

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   X    

Signatures

 /s/ Melinda Dunn, by power of attorney for Michael Goguen   04/27/2012
**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) Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1/3 share of the issuer's Common Stock on April 25, 2012 pursuant to an election by the holders of a majority of the shares of preferred stock of the issuer in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial underwritten public offering pursuant to a registration statement on Form S-1 under the Securities Act of 1933, as amended, and had no expiration date.
(2) The reporting person is a Managing Member of SC X Management LLC ("SC X Management"), the General Partner of Sequoia Capital X, LP ("SC X"), and may be deemed to share voting and dispositive power with respect to the shares held by SC X. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(3) The reporting person is a Managing Member of SC X Management, the Managing Member of Sequoia Capital X Principals Fund, LLC ("SC X PF"), and may be deemed to share voting and dispositive power with respect to the shares held by SC X PF. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(4) The reporting person is a Managing Member of SC X Management, the General Partner of Sequoia Technology Partners X, LP ("STP X"), and may be deemed to share voting and dispositive power with respect to the shares held by STP X. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(5) Each share of the issuer's Series D Convertible Preferred Stock automatically converted into 1/3 share of the issuer's Common Stock on April 25, 2012 pursuant to an election by the holders of a majority of the shares of preferred stock of the issuer in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial underwritten public offering pursuant to a registration statement on Form S-1 under the Securities Act of 1933, as amended, and had no expiration date.
(6) The reporting person is a Managing Member of SCFF Management, LLC ("SCFF LLC"), the General Partner of Sequoia Capital Franchise Fund, LP ("SCFF"), and may be deemed to share voting and dispositive power with respect to the shares held by SCFF. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(7) The reporting person is a Managing Member of SCFF LLC, the General Partner of Sequoia Capital Franchise Partners, LP ("SCFP"), and may be deemed to share voting and dispositive power with respect to the shares held by SCFP. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(8) Each share of the issuer's Series E Convertible Preferred Stock automatically converted into 1/3 share of the issuer's Common Stock on April 25, 2012 pursuant to an election by the holders of a majority of the shares of preferred stock of the issuer in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial underwritten public offering pursuant to a registration statement on Form S-1 under the Securities Act of 1933, as amended, and had no expiration date.
(9) The reporting person is a Managing Member of SC IX.I Management, LLC ("SC IX.I Management"), the General Partner of Sequoia Capital Entrepreneurs Annex Fund, LP ("SC Annex"), and may be deemed to share voting and dispositive power with respect to the shares held by SC Annex. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(10) The reporting person is a Managing Member of SC IX.I Management, the General Partner of Sequoia Capital IX, LP ("SC IX"), and may be deemed to share voting and dispositive power with respect to the shares held by SC IX. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

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