Vertex Wireless Co., Ltd.

Any device whose MAC address begins with 00:25:4E has a network interface built by Vertex Wireless Co., Ltd.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:25:4E

Organization

Vertex Wireless Co., Ltd.

Address

5F, Seohyeon Plaza, 254-5, Seohyeon-dong, Bundang-gu Seongnam-si Gyeonggi-do KR 463-824

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.