Who owns MAC prefix 001B40?

001B40 is registered to Network Automation mxc AB in the IEEE MA-L registry.

What devices use 001B40?

Any network device with a MAC address starting 00:1B:40 was manufactured by or for Network Automation mxc AB.

MA-L · OUI prefix

Network Automation mxc AB

Any MAC address starting 00:1B:40 is registered to Network Automation mxc AB in SE.

OUI prefix	001B40
Vendor	Network Automation mxc AB
Registry	MA-L (24-bit, large block)
Country	SE
Example MAC	00:1B:40:00:00:00

What this means

The IEEE assigned the MA-L block 001B40 to Network Automation mxc AB. 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:40, it is Network Automation mxc AB hardware.

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