FibroLAN Ltd.

Any device whose MAC address begins with 00:05:80 has a network interface built by FibroLAN 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

00:05:80

Organization

FibroLAN Ltd.

Address

2 Hacarmel st., POB 544 Yokneam Illit IL 20692

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.