Exhibit 21.1
SUBSIDIARIES OF AVOCENT CORPORATION
As of December 31, 2007
1. Avct Pty Ltd., an Australia corporation
2. Avocent Asia Pacific Pte. Ltd., a Singapore company
3. Avocent Australia Pty Ltd., an Australia corporation
4. Avocent Belgium Limited SPRL, a Belgium company
5. Avocent California Corp., a California corporation
6. Avocent Canada Holding Corp., a Delaware corporation
7. Avocent China Limited, a China corporation
8. Avocent China Technology Limited, a China corporation
9. Avocent Deutschland GmbH, a German corporation
10. Avocent do Brasil Informática S.A., a Brazil corporation
11. Avocent France SARL, a France corporation
12. Avocent Fremont, LLC, a California limited liability company
13. Avocent Huntsville Corp., an Alabama corporation
14. Avocent International Holdings Ltd., an Ireland corporation
15. Avocent International Limited, an Ireland corporation
16. Avocent Ireland Holdings Limited, an Ireland corporation
17. Avocent Italia SRL, an Italy corporation
18. Avocent Japan KK, a Japan corporation
19. Avocent Netherlands B.V. a Netherlands corporation
20. Avocent Nevada LLC, a Nevada limited liability company
21. Avocent Redmond Corp., a Washington corporation
22. Avocent Services Corporation, a Texas corporation
23. Avocent Spain SL, a Spain corporation
24. Avocent Sweden AB, a Sweden corporation
25. Avocent Texas, LLC, a Texas limited liability company
26. Avocent UK Ltd., a United Kingdom corporation
27. Crimson Acquisition Corp., a Delaware corporation
28. Crimson Holding Corp., a Delaware corporation
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29. Cyclades England Limited, a United Kingdom corporation
30. LANDesk (Beijing) Software Co. Ltd., a China corporation
31. LANDesk Development, Inc, a Delaware corporation
32. LANDesk Holdings, Inc., a Delaware Corporation
33. LANDesk Group Limited, an Ireland Corporation
34. LANDesk Software B.V., a Netherlands corporation
35. LANDesk Software De Mexico S. de R.L. de C.V., a Mexico corporation
36. LANDesk Software GmbH, a German corporation
37. LANDesk Software, Inc., a Delaware corporation
38. LANDesk Software KK, a Japan corporation
39. LANDesk Software Limited, an Ireland corporation
40. LANDesk Software Ltda, a Brazil corporation
41. LANDesk Software SARL, a France corporation
42. LANDesk Software UK Ltd, a United Kingdom corporation
43. OSA Technologies, Inc., a Delaware corporation
44. OSA Technologies Info. Co., Ltd., a China corporation
45. Sonic Mobility Corp., a Nova Scotia company
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