OAO "Izhevskiy radiozavod"

Any device whose MAC address begins with 00:B0:33 has a network interface built by OAO "Izhevskiy radiozavod". 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:B0:33

Organization

OAO "Izhevskiy radiozavod"

Address

19 Bazisnaya street Izhevsk Udmurt Republic RU 426034

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.