| Name | Jurisdiction of Organization | ||||
| Traffix Communication Systems, Ltd. | Israel | ||||
| Versafe, Ltd. | Israel | ||||
| F5 Networks Singapore Pte Ltd. | Singapore | ||||
| F5 Networks Ltd. | United Kingdom | ||||
| F5 Government Solutions LLC | Virginia, U.S.A. | ||||
| * All other subsidiaries would not in the aggregate constitute a “significant subsidiary” as defined in Regulation S-X. | |||||