Exhibit 21.1
SUBSIDIARIES OF AVOCENT CORPORATION
As of December 31, 2004
1. Avocent Huntsville Corp., an Alabama corporation
2. Avocent Services Corporation, a Texas corporation
3. Avocent International, Ltd., an Ireland corporation
4. Avocent Computertechnik GmbH, a Germany corporation
5. Avocent Redmond Corp., a Washington corporation
6. Apex International, Inc., a Washington corporation
7. Apex PC Solutions, Ltd., a Barbados corporation
8. Avocent Nevada LLC, a Washington corporation
9. Avocent Texas, L.P., a Texas limited partnership
10. Avocent Texas I, LLC, a Washington limited liability company
11. Avocent Texas II, LLC, a Washington limited liability company
12. Avocent Utah Corp., a Delaware corporation
13. Avocent California Corp., a California corporation
14. Nihon Avocent KK, a Japan corporation
15. Avocent China LTD, a Hong Kong corporation
16. OSA Technologies, Inc., a Delaware corporation
17. OSA Info (Shanghai) Co. LTD., a China corporation
18. Avocent Canada Holding Corp., a Delaware corporation
19. Sonic Mobility Corp., a Canada corporation
20. Avocent Ireland Holdings Ltd., an Ireland corporation
21. Avocent UK Ltd., a United Kingdom corporation
22. Avocent France SARL, a France corporation
23. Avocent Netherlands B.V. a Netherlands corporation
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