**EXHIBIT 21.1**

**SUBSIDIARIES CONTROLLED BY REGISTRANTAs of December 31, 2004**

**ValueClick, Inc.Subsidiary Listing**
| **Company**                                     | ** ** | ** ** | ** ** | **Percentage Ownership** | ** ** |
|-------------------------------------------------|------------|------------|------------|-------------------------------|------------|
| Be  Free, Inc. (Delaware)                  |       |       | 100        | %                             |       |
| Be Free  Securities Corporation (Massachusetts) |       |       | 100        | %                             |       |
| Be Free International, Inc.  (Delaware)    |       |       | 100        | %                             |       |
| TriVida  Corporation (California)               |       |       | 100        | %                             |       |
| Mediaplex, Inc.  (Delaware)                |       |       | 100        | %                             |       |
| Commission  Junction, Inc. (Delaware)      |       |       | 100        | %                             |       |
| Hi-Speed  Media, Inc. (California)         |       |       | 100        | %                             |       |
| Search123, Inc.  (California)              |       |       | 100        | %                             |       |
| Simpli.com, Inc.  (Delaware)               |       |       | 100        | %                             |       |
| ClickAgents, Inc.  (Delaware)              |       |       | 100        | %                             |       |
| Z  Media, Inc. (Delaware)                  |       |       | 100        | %                             |       |
| Bach Acquisition  Corp. (Delaware)              |       |       | 100        | %                             |       |
| Adware  Systems, Inc. (Kentucky)           |       |       | 100        | %                             |       |
| Adware Systems  Canada (Canada)                 |       |       | 100        | %                             |       |
| Be Free France  (France)                        |       |       | 100        | %                             |       |
| Be Free Germany  GmbH (Germany)                 |       |       | 100        | %                             |       |
| Be Free UK, Ltd.  (United Kingdom)              |       |       | 100        | %                             |       |
| Mediaplex  Deutschland GmbH (Germany)           |       |       | 100        | %                             |       |
| Pricerunner AB  (Sweden)                        |       |       | 100        | %                             |       |
| Pricerunner  Sweden AB (Sweden)                 |       |       | 100        | %                             |       |
| Pricerunner Ltd.  (United Kingdom)              |       |       | 100        | %                             |       |
| Pricerunner GmbH  (Germany)                     |       |       | 100        | %                             |       |
| Pricerunner SAS  (France)                       |       |       | 100        | %                             |       |
| Pricerunner Spain  (Spain)                      |       |       | 100        | %                             |       |
| Pricerunner Italy  (France)                     |       |       | 100        | %                             |       |
| Pricerunner  Denmark (Denmark)                  |       |       | 100        | %                             |       |
| Pricerunner BV  (Netherlands)                   |       |       | 100        | %                             |       |
| ValueClick Europe  Ltd. (United Kingdom)        |       |       | 100        | %                             |       |
| ValueClick Sarl  (France)                       |       |       | 100        | %                             |       |
| ValueClick GmbH  (Germany)                      |       |       | 100        | %                             |       |
| ValueClick  Limitado (Brazil)                   |       |       | 100        | %                             |       |
| ValueClick Canada  (Canada)                     |       |       | 100        | %                             |       |

 

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