E-Mon

Any device whose MAC address begins with 00:23:A6 has a network interface built by E-Mon. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:23:A6

Organization

E-Mon

Address

One Oxford Valley, Suite 418 Langhorne PA US 19047

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.