BELL ATLANTIC

Any device whose MAC address begins with 00:80:1A has a network interface built by BELL ATLANTIC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:80:1A

Organization

BELL ATLANTIC

Address

N92 W14612 ANTHONY AVENUE MENOMONEE FALLS WI US 53051

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.