Who owns MAC prefix 18D5B6?

18D5B6 is registered to SMG Holdings LLC in the IEEE MA-L registry.

What devices use 18D5B6?

Any network device with a MAC address starting 18:D5:B6 was manufactured by or for SMG Holdings LLC.

MA-L · OUI prefix

SMG Holdings LLC

Any MAC address starting 18:D5:B6 is registered to SMG Holdings LLC in US.

OUI prefix	18D5B6
Vendor	SMG Holdings LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	18:D5:B6:00:00:00

What this means

The IEEE assigned the MA-L block 18D5B6 to SMG Holdings LLC. 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 18:D5:B6, it is SMG Holdings LLC hardware.

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