EXHIBIT 21.1
SUBSIDIARIES OF SYCAMORE NETWORKS, INC.
Sycamore Networks Asia Inc.
Delaware
Sycamore Networks Europe Inc.
Delaware
Sycamore Networks Americas Inc.
Delaware
Sycamore Securities Corporation
Massachusetts
Sirocco Systems, Inc.
Delaware
Sycamore Networks de Mexico, S.A.
Mexico
Sycamore Networks International BV
Amsterdam, The Netherlands
Sycamore Networks Japan K.K.
Japan
Sycamore Networks Sweden AB
Sweden