Who owns MAC prefix 001B6B?

001B6B is registered to Swyx Solutions AG in the IEEE MA-L registry.

What devices use 001B6B?

Any network device with a MAC address starting 00:1B:6B was manufactured by or for Swyx Solutions AG.

MA-L · OUI prefix

Swyx Solutions AG

Any MAC address starting 00:1B:6B is registered to Swyx Solutions AG in DE.

OUI prefix	001B6B
Vendor	Swyx Solutions AG
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:1B:6B:00:00:00

What this means

The IEEE assigned the MA-L block 001B6B to Swyx Solutions AG. 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 00:1B:6B, it is Swyx Solutions AG hardware.

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