Uriel Technologies SIA

Any device whose MAC address begins with AC:01:42 has a network interface built by Uriel Technologies SIA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

AC:01:42

Organization

Uriel Technologies SIA

Address

Dzerbenes iela 14 Riga LV LV-1006

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.