Blaze Network Products

Any device whose MAC address begins with 00:03:87 has a network interface built by Blaze Network Products. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:03:87

Organization

Blaze Network Products

Address

5180 Hacienda Drive Dublin CA US 94568

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.