PRIMARY ACCESS CORP.

Any device whose MAC address begins with 00:20:9C has a network interface built by PRIMARY ACCESS CORP.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:20:9C

Organization

PRIMARY ACCESS CORP.

Address

10080 CARROLL CANYON RD SAN DIEGO CA US 92131

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.