Who owns MAC prefix B4157E?

B4157E is registered to Celona Inc. in the IEEE MA-L registry.

What devices use B4157E?

Any network device with a MAC address starting B4:15:7E was manufactured by or for Celona Inc..

MA-L · OUI prefix

Celona Inc.

Any MAC address starting B4:15:7E is registered to Celona Inc. in US.

OUI prefix	B4157E
Vendor	Celona Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	B4:15:7E:00:00:00

What this means

The IEEE assigned the MA-L block B4157E to Celona 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 B4:15:7E, it is Celona Inc. hardware.

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