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 *
SC X MANAGEMENT LLC
  2. Issuer Name and Ticker or Trading Symbol
INFOBLOX INC [BLOX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
3000 SAND HILL ROAD, 4-250
3. Date of Earliest Transaction (Month/Day/Year)
02/26/2013
(Street)

MENLO PARK, CA 94025
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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 02/26/2013   J(1)   69,277 D (1) 392,572 I By Sequoia Capital IX, LP (2)
Common Stock 02/27/2013   J(1)   69,277 D (1) 323,295 I By Sequoia Capital IX, LP (2)
Common Stock 02/26/2013   J(1)   2,886 D (1) 16,357 I By Sequoia Capital Entrepreneurs Annex Fund, LP (3)
Common Stock 02/27/2013   J(1)   2,886 D (1) 13,471 I By Sequoia Capital Entrepreneurs Annex Fund, LP (3)
Common Stock 02/26/2013   J(1)   270,127 D (1) 1,530,717 I By Sequoia Capital Franchise Fund, LP (4)
Common Stock 02/27/2013   J(1)   270,127 D (1) 1,260,590 I By Sequoia Capital Franchise Fund, LP (4)
Common Stock 02/26/2013   J(1)   36,835 D (1) 208,734 I By Sequoia Capital Franchise Partners, LP (5)
Common Stock 02/27/2013   J(1)   36,835 D (1) 171,899 I By Sequoia Capital Franchise Partners, LP (5)
Common Stock 02/26/2013   J(1)   1,031,295 D (1) 5,844,007 I By Sequoia Capital X, LP (6)
Common Stock 02/27/2013   J(1)   1,031,295 D (1) 4,812,712 I By Sequoia Capital X, LP (6)
Common Stock 02/26/2013   J(1)   148,545 D (1) 841,756 I By Sequoia Technology Partners X, LP (7)
Common Stock 02/27/2013   J(1)   148,545 D (1) 693,211 I By Sequoia Technology Partners X, LP (7)
Common Stock 02/26/2013   J(1)   91,950 D (1) 521,053 I By Sequoia Capital X Principals Fund, LLC (8)
Common Stock 02/27/2013   J(1)   91,950 D (1) 429,103 I By Sequoia Capital X Principals Fund, LLC (8)

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
SC X MANAGEMENT LLC
3000 SAND HILL ROAD, 4-250
MENLO PARK, CA 94025
    X    
SC IX.I MANAGEMENT, LLC
3000 SAND HILL ROAD BLDG 4-250
MENLO PARK, CA 94025
    X    
SCFF MANAGEMENT LLC
3000 SAND HILL ROAD BLDG 4-250
MENLO PARK, CA 94025
    X    
SEQUOIA CAPITAL FRANCHISE FUND LP
3000 SAND HILL ROAD BLDG 4-250
MENLO PARK, CA 94025
    X    
SEQUOIA CAPITAL IX
3000 SAND HILL ROAD BLDG 4-250
MENLO PARK, CA 94025
    X    
SEQUOIA CAPITAL X PRINCIPALS FUND LLC
3000 SAND HILL ROAD BLDG 4-250
MENLO PARK, CA 94025
    X    
SEQUOIA CAPITAL X
3000 SAND HILL ROAD BLDG 4-250
MENLO PARK, CA 94025
    X    
SEQUOIA CAPITAL FRANCHISE PARTNERS LP
3000 SAND HILL ROAD BLDG 4-250
MENLO PARK, CA 94025
    X    
SEQUOIA TECHNOLOGY PARTNERS X LP
3000 SAND HILL ROAD BLDG 4-250
MENLO PARK, CA 94025
    X    
SEQUOIA CAPITAL ENTERPRENEURS ANNEX FUND
3000 SAND HILL ROAD BLDG 4-250
MENLO PARK, CA 94025
    X    

Signatures

 Melinda Dunn, by power of attorney for Michael Goguen, as a Managing Member of SC X Management LLC   02/28/2013
**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) Represents a pro rata in-kind distribution of Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members.
(2) SC IX.I Management, LLC ("SC IX.I Management"), the General Partner of Sequoia Capital IX, LP ("SC IX"), may be deemed to share voting and dispositive power with respect to the shares held by SC IX. SC IX.I Management disclaims beneficial ownership of such securities except to the extent of its 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) SC IX.I Management, the General Partner of Sequoia Capital Entrepreneurs Annex Fund, LP ("SC Annex"), may be deemed to share voting and dispositive power with respect to the shares held by SC Annex. SC IX.I Management disclaims beneficial ownership of such securities except to the extent of its 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) SCFF Management, LLC ("SCFF LLC"), the General Partner of Sequoia Capital Franchise Fund, LP ("SCFF"), may be deemed to share voting and dispositive power with respect to the shares held by SCFF. SCFF LLC disclaims beneficial ownership of such securities except to the extent of its 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) SCFF LLC, the General Partner of Sequoia Capital Franchise Partners, LP ("SCFP"), may be deemed to share voting and dispositive power with respect to the shares held by SCFP. SCFF LLC disclaims beneficial ownership of such securities except to the extent of its 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.
(6) SC X Management LLC ("SC X Management"), the General Partner of Sequoia Capital X, LP ("SC X"), may be deemed to share voting and dispositive power with respect to the shares held by SC X. SC X Management disclaims beneficial ownership of such securities except to the extent of its 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) SC X Management, the General Partner of Sequoia Technology Partners X, LP ("STP X"), may be deemed to share voting and dispositive power with respect to the shares held by STP X. SC X Management disclaims beneficial ownership of such securities except to the extent of its 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) SC X Management, the Managing Member of Sequoia Capital X Principals Fund, LLC ("SC X PF"), may be deemed to share voting and dispositive power with respect to the shares held by SC X PF. SC X Management disclaims beneficial ownership of such securities except to the extent of its 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.
 
Remarks:
Melinda Dunn, by power or attorney for Michael Goguen, a Managing Member of SC IX.I Management, LLC     02/28/2013
Melinda Dunn, by power of attorney for Michael Goguen, a Managing Member of SCFF Management, LLC  02/28/2013
Melinda Dunn, by power of attorney for Michael Goguen, a Managing Member of SC IX.I Management, LLC, the General Partner of Sequoia Capital Entrepreneurs Annex Fund, LP    02/28/2013
Melinda Dunn, by power of attorney for Michael Goguen, a Managing Member of SCFF Management, LLC, the General Partner of Sequoia Capital Franchise Fund, LP     02/28/2013
Melinda Dunn, by power of attorney for Michael Goguen, a Managing Member of SCFF Management, LLC, the General Partner of Sequoia Capital Franchise Partners, LP     02/28/2013
Melinda Dunn, by power of attorney for Michael Goguen, a Managing Member of SC IX.I Management, LLC, the General Partner of Sequoia Capital IX, LP     02/28/2013
Melinda Dunn, by power of attorney for Michael Goguen, a Managing Member of SC X Management LLC, the General Partner of Sequoia Capital X, LP    02/28/2013
Melinda Dunn, by power of attorney for Michael Goguen, a Managing Member of SC X Management LLC, the General Partner of Sequoia Technology Partners X, LP     02/28/2013
Melinda Dunn, by power of attorney for Michael Goguen, a Managing Member of SC X Management LLC, the Managing Member of Sequoia Capital X Principals Fund, LLC     02/28/2013

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