ITLook

Any device whose MAC address begins with B4:E0:25 has a network interface built by ITLook. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B4:E0:25

Organization

ITLook

Address

Karla Marksa st. 3b Ufa RU 450008

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.