Aetas Systems Inc.

Any device whose MAC address begins with 00:25:30 has a network interface built by Aetas Systems 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

00:25:30

Organization

Aetas Systems Inc.

Address

3A3, No. 1, LiHsin Road I HsinChu Taiwan TW 30078

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.