i3 International Inc.

Any device whose MAC address begins with 18:F8:7A has a network interface built by i3 International 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

18:F8:7A

Organization

i3 International Inc.

Address

780 Birchmount Road Scarborough Ontario CA M1K5H4

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.