Who owns MAC prefix 681FD8?

681FD8 is registered to Siemens Industry, Inc. in the IEEE MA-L registry.

What devices use 681FD8?

Any network device with a MAC address starting 68:1F:D8 was manufactured by or for Siemens Industry, Inc..

MA-L · OUI prefix

Siemens Industry, Inc.

Any MAC address starting 68:1F:D8 is registered to Siemens Industry, Inc. in US.

OUI prefix	681FD8
Vendor	Siemens Industry, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	68:1F:D8:00:00:00

What this means

The IEEE assigned the MA-L block 681FD8 to Siemens Industry, 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 68:1F:D8, it is Siemens Industry, Inc. hardware.

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