Who owns MAC prefix 383A211?

383A211 is registered to HOBART GmbH in the IEEE MA-M registry.

What devices use 383A211?

Any network device with a MAC address starting 38:3A:21:1 was manufactured by or for HOBART GmbH.

MA-M · OUI prefix

HOBART GmbH

Any MAC address starting 38:3A:21:1 is registered to HOBART GmbH in DE.

OUI prefix	383A211
Vendor	HOBART GmbH
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	38:3A:21:1:00:00:00

What this means

The IEEE assigned the MA-M block 383A211 to HOBART GmbH. 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 38:3A:21:1, it is HOBART GmbH hardware.

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