Who owns MAC prefix 0008B8?

0008B8 is registered to E.F. Johnson in the IEEE MA-L registry.

What devices use 0008B8?

Any network device with a MAC address starting 00:08:B8 was manufactured by or for E.F. Johnson.

MA-L · OUI prefix

E.F. Johnson

Any MAC address starting 00:08:B8 is registered to E.F. Johnson in US.

OUI prefix	0008B8
Vendor	E.F. Johnson
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:08:B8:00:00:00

What this means

The IEEE assigned the MA-L block 0008B8 to E.F. Johnson. 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 00:08:B8, it is E.F. Johnson hardware.

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