Who owns MAC prefix B4A2EB2?

B4A2EB2 is registered to ONX Inc. in the IEEE MA-M registry.

What devices use B4A2EB2?

Any network device with a MAC address starting B4:A2:EB:2 was manufactured by or for ONX Inc..

MA-M · OUI prefix

ONX Inc.

Any MAC address starting B4:A2:EB:2 is registered to ONX Inc. in US.

OUI prefix	B4A2EB2
Vendor	ONX Inc.
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	B4:A2:EB:2:00:00:00

What this means

The IEEE assigned the MA-M block B4A2EB2 to ONX 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:A2:EB:2, it is ONX Inc. hardware.

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