Nesslab

Any device whose MAC address begins with 00:26:F4 has a network interface built by Nesslab. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:26:F4

Organization

Nesslab

Address

489-2 Maetan 3-dong, Yeong Tong-gu Suwon-si Gyeonggi-do KR 443-803

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.