Exhibit 21.1

INFINERA CORPORATION

SUBSIDIARIES*

Infinera Optical Holding, Inc. (Delaware)

Infinera Optical Networks, Inc. (Delaware)

International Telecom Holdings S.à r.l. (Luxembourg)

Tellabs Enterprises B.V. (Netherlands)

Tellabs Holdings B.V. (Netherlands)

Transmode Systems AB (Sweden)

Xieon Networks S.a.r.l. (Luxembourg)

*Pursuant to Item 601(b)(21)(ii) of Regulation S-K, the names of other subsidiaries of Infinera Corporation are omitted because, considered in the aggregate, they would not constitute a significant subsidiary as of the end of the year covered by this Annual Report on Form 10-K.