Who owns MAC prefix 000357?

000357 is registered to Intervoice-Brite, Inc. in the IEEE MA-L registry.

What devices use 000357?

Any network device with a MAC address starting 00:03:57 was manufactured by or for Intervoice-Brite, Inc..

MA-L · OUI prefix

Intervoice-Brite, Inc.

Any MAC address starting 00:03:57 is registered to Intervoice-Brite, Inc. in US.

OUI prefix	000357
Vendor	Intervoice-Brite, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:03:57:00:00:00

What this means

The IEEE assigned the MA-L block 000357 to Intervoice-Brite, 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 00:03:57, it is Intervoice-Brite, Inc. hardware.

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