Who owns MAC prefix 00037F?

00037F is registered to Atheros Communications, Inc. in the IEEE MA-L registry.

What devices use 00037F?

Any network device with a MAC address starting 00:03:7F was manufactured by or for Atheros Communications, Inc..

MA-L · OUI prefix

Atheros Communications, Inc.

Any MAC address starting 00:03:7F is registered to Atheros Communications, Inc. in US.

OUI prefix	00037F
Vendor	Atheros Communications, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:03:7F:00:00:00

What this means

The IEEE assigned the MA-L block 00037F to Atheros Communications, Inc.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:03:7F, it is Atheros Communications, Inc. hardware.

Other Atheros Communications, Inc. prefixes

Atheros Communications, Inc. holds 2 registered blocks in total.

001374

Look up another MAC