ATN International Limited

Any device whose MAC address begins with 34:28:F0 has a network interface built by ATN International Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

34:28:F0

Organization

ATN International Limited

Address

4210, Office Tower, Convention Plaza Hong Kong Hong Kong HK 00000

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.