AMSC

Any device whose MAC address begins with 08:08:EA has a network interface built by AMSC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

08:08:EA

Organization

AMSC

Address

15775 W Schaefer Court New Berlin WI US 53151

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.