Who owns MAC prefix 083F3E?

083F3E is registered to WSH GmbH in the IEEE MA-L registry.

What devices use 083F3E?

Any network device with a MAC address starting 08:3F:3E was manufactured by or for WSH GmbH.

MA-L · OUI prefix

WSH GmbH

Any MAC address starting 08:3F:3E is registered to WSH GmbH in DE.

OUI prefix	083F3E
Vendor	WSH GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	08:3F:3E:00:00:00

What this means

The IEEE assigned the MA-L block 083F3E to WSH 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 08:3F:3E, it is WSH GmbH hardware.

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