I/O Interconnect Inc.

Any device whose MAC address begins with 00:1F:B5 has a network interface built by I/O Interconnect 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

00:1F:B5

Organization

I/O Interconnect Inc.

Address

1202 E Wakeham Ave Santa Ana CA US 92708

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.