Who owns MAC prefix E457A8?

E457A8 is registered to Stuart Manufacturing, Inc. in the IEEE MA-L registry.

What devices use E457A8?

Any network device with a MAC address starting E4:57:A8 was manufactured by or for Stuart Manufacturing, Inc..

MA-L · OUI prefix

Stuart Manufacturing, Inc.

Any MAC address starting E4:57:A8 is registered to Stuart Manufacturing, Inc. in US.

OUI prefix	E457A8
Vendor	Stuart Manufacturing, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	E4:57:A8:00:00:00

What this means

The IEEE assigned the MA-L block E457A8 to Stuart Manufacturing, 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 E4:57:A8, it is Stuart Manufacturing, Inc. hardware.

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