Singapore Technologies Electronics Limited

Any device whose MAC address begins with 00:25:4D has a network interface built by Singapore Technologies Electronics 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

00:25:4D

Organization

Singapore Technologies Electronics Limited

Address

24 Ang Mo Kio SG 569061

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.