ASI Communications, Inc.

Any device whose MAC address begins with 00:1A:33 has a network interface built by ASI Communications, Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1A:33

Organization

ASI Communications, Inc.

Address

1042 E Guadalupe Rd Tempe AZ US 85283

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.