Who owns MAC prefix 001B45?

001B45 is registered to ABB AS, Division Automation Products in the IEEE MA-L registry.

What devices use 001B45?

Any network device with a MAC address starting 00:1B:45 was manufactured by or for ABB AS, Division Automation Products.

MA-L · OUI prefix

ABB AS, Division Automation Products

Any MAC address starting 00:1B:45 is registered to ABB AS, Division Automation Products in NO.

OUI prefix	001B45
Vendor	ABB AS, Division Automation Products
Registry	MA-L (24-bit, large block)
Country	NO
Example MAC	00:1B:45:00:00:00

What this means

The IEEE assigned the MA-L block 001B45 to ABB AS, Division Automation Products. 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:45, it is ABB AS, Division Automation Products hardware.

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