EXHIBIT 21

LUCENT TECHNOLOGIES INC.S SUBSIDIARIES



|INS Network
Services SPRL                                     |  |  |  | Belgium             
|------------------------------------------------------------- |  |  |  | --------------------
|Ascend
Communications (Bermuda) Holding Limited               |  |  |  | Bermuda             
|Excel
Switching Europe SA                                     |  |  |  | Belgium             
|Lucent
Technologies Comercio e Servicio Ltd.                  |  |  |  | Brazil              
|Lucent
Technologies Canada Corp.                              |  |  |  | Canada              
|Stratus
Computer Corporation                                  |  |  |  | Canada              
|Lucent
Technologies International Inc. (Egypt Branch)         |  |  |  | Egypt               
|Lucent
Technologies El Salvador S.A. de C.V.                  |  |  |  | El
Salvador         
|Lucent
Technologies Beteiligungs GmbH & Co. KG                |  |  |  | Germany             
|Lucent
Technologies EMEA B.V. (Greece)                        |  |  |  | Greece              
|Lucent
Technologies Hindustan Pvt. Ltd.                       |  |  |  | India               
|P.T. Lucent
Technologies Network Systems Indonesia            |  |  |  | Indonesia           
|Lucent
Technologies Holding and Finance Company Limited       |  |  |  | Ireland             
|Lucent
Technologies Treasury Services                         |  |  |  | Ireland             
|Lucent
Technologies Italia S.p.A.                             |  |  |  | Italy               
|Bedrijvencomplex Huizen/Hilversum C.V.                        |  |  |  | Netherlands         
|Lucent
Technologies EMEA B.V.                                 |  |  |  | Netherlands         
|Lucent
Technologies Nederland B.V.                            |  |  |  | Netherlands         
|SRA Computer
C.V.                                             |  |  |  | Netherlands         
|Guoxin Lucent
Technologies Network Technology Co. Ltd.        |  |  |  | P.R.C.              
|Lucent
Technologies Optical Networks (China) Ltd.             |  |  |  | P.R.C.              
|Lucent
Technologies Qingdao Telecommunications Equipment Ltd. |  |  |  | P.R.C.              
|Lucent
Technologies (China) Co., Ltd.                         |  |  |  | P.R.C.              
|Shanghai
Lucent Technologies Transmission Equipment Co., Ltd. |  |  |  | P.R.C.              
|Lucent
Technologies (Shenzhen) Co., Ltd.                      |  |  |  | P.R.C.              
|Lucent
Technologies International Inc. (Saudi Arabia branch)  |  |  |  | Saudi Arabia        
|Lucent
Technologies South Africa (Proprietary) Ltd.           |  |  |  | South Africa        
|Lucent
Technologies Parsipanis S.L.                           |  |  |  | Spain               
|Lucent
Technologies Thailand Inc. (Thailand branch)           |  |  |  | Thailand            
|Lucent
Technologies International Inc. (Jebel Ali Free Zone)  |  |  |  | United Arab Emirates
|Lucent
Technologies M.E. Inc. Dubai                           |  |  |  | United Arab Emirates
|Lucent
Technologies Holdings UK Limited                       |  |  |  | UK                  
|Lucent
Technologies UK Limited                                |  |  |  | UK                  
|Lucent
Technologies Group UK Ltd                              |  |  |  | UK                  
|Lucent
Technologies Capital Ireland                           |  |  |  | UK                  
|ZAO Lucent
CheZaRa                                            |  |  |  | Ukraine             
|Ascend
Communications, Inc.                                   |  |  |  | US                  
|Bell
Laboratories, Inc.                                       |  |  |  | US                  
|Day Investment
Corp.                                          |  |  |  | US                  
|First Beacon
Insurance Company                                |  |  |  | US                  
|INS
International, Inc.                                       |  |  |  | US                  
|KED Funding
LLC                                               |  |  |  | US                  
|LT01
LLC                                                      |  |  |  | US                  
|LTI NJ Finance
LLC                                            |  |  |  | US                  
|LTI Properties
Finance LLC                                    |  |  |  | US                  
|LTI Properties
Holdings LLC                                   |  |  |  | US                  
|Lucent Asset
Management Corporation                           |  |  |  | US                  
|Lucent Cable
Communications Inc.                              |  |  |  | US                  
|Lucent
Technologies Canada LLC                                |  |  |  | US                  
|Lucent
Technologies Construction Services, Inc.               |  |  |  | US                  

---

|Lucent
Technologies Government Solutions Inc. |  |  |  | US
|--------------------------------------------- |  |  |  | --
|Lucent
Technologies GRL LLC                   |  |  |  | US
|Lucent
Technologies Holdings LLC              |  |  |  | US
|Lucent
Technologies International Inc.        |  |  |  | US
|Lucent
Technologies Management Services Inc.  |  |  |  | US
|Lucent
Technologies World Services Inc.       |  |  |  | US
|Lucent Venture
Partners I LLC                 |  |  |  | US
|Lucent Venture
Partners II LLC                |  |  |  | US
|Lucent Venture
Partners III LLC               |  |  |  | US
|Lucent Venture
Partners Inc.                  |  |  |  | US
|NCS OSP
Development Corp.                     |  |  |  | US
|New Jersey
Nanotechnology Consortium LLC      |  |  |  | US
|SRA Holdings
LLC                              |  |  |  | US
|SRA
Investments LLC                           |  |  |  | US
|Stratus
Computer, Inc.                        |  |  |  | US
|Stratus
Securities Corp.                      |  |  |  | US
|Stratus World
Trade Corp.                     |  |  |  | US
|Western
Electric Company, Incorporated        |  |  |  | US
|WM Funding
LLC                                |  |  |  | US
|NV Partners II
LLC                            |  |  |  | US

Certain subsidiaries, which considered in the aggregate as a single subsidiary,
would not constitute a significant subsidiary as of September 30, 2003, have been omitted in accordance with Item 601(b)(21)(ii) of Regulation
S-K.

---