silicom

Any device whose MAC address begins with 90:EC:77 has a network interface built by silicom. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

90:EC:77

Organization

silicom

Address

14 Atir-Yeda St/ Kfar-Sava Israel IL 44000

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.