| | | | | |
| Name of subsidiary | Organized Under the Laws of |
| Keysight Technologies Netherlands B.V. | The Netherlands |
| Keysight Technologies Luxembourg Holdings Sarl | Luxembourg |
| Keysight Technologies Singapore (Holdings) Pte. Ltd. | Singapore |
| Keysight Technologies Singapore (International) Pte. Ltd. | Singapore |
| Keysight Technologies Singapore (Sales) Pte. Ltd. | Singapore |
| Keysight Technologies World Trade, Inc. | Delaware |
| Keysight Technologies UK Limited | United Kingdom |
| Ixia | California |
| Ixia Technologies International Limited | Ireland |
| Catapult Communications Corporation | Nevada |