Polytech A/S

Any device whose MAC address begins with 70:23:93 has a network interface built by Polytech A/S. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

70:23:93

Organization

Polytech A/S

Address

Thalkirchner Str. 210, Geb. 6 81371 München DE 0

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.