3COM EUROPE LTD

Any device whose MAC address begins with 20:FD:F1 has a network interface built by 3COM EUROPE LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

20:FD:F1

Organization

3COM EUROPE LTD

Address

Peoplebuilding 2 Hemel Hempstead HERTS. GB HP2 4NW

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.