Who owns MAC prefix 0001B9?

0001B9 is registered to SKF (U.K.) Limited in the IEEE MA-L registry.

What devices use 0001B9?

Any network device with a MAC address starting 00:01:B9 was manufactured by or for SKF (U.K.) Limited.

MA-L · OUI prefix

SKF (U.K.) Limited

Any MAC address starting 00:01:B9 is registered to SKF (U.K.) Limited.

OUI prefix	0001B9
Vendor	SKF (U.K.) Limited
Registry	MA-L (24-bit, large block)
Example MAC	00:01:B9:00:00:00

What this means

The IEEE assigned the MA-L block 0001B9 to SKF (U.K.) Limited. 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 00:01:B9, it is SKF (U.K.) Limited hardware.

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