Who owns MAC prefix 0015B3?

0015B3 is registered to Caretech AB in the IEEE MA-L registry.

What devices use 0015B3?

Any network device with a MAC address starting 00:15:B3 was manufactured by or for Caretech AB.

MA-L · OUI prefix

Caretech AB

Any MAC address starting 00:15:B3 is registered to Caretech AB in SE.

OUI prefix	0015B3
Vendor	Caretech AB
Registry	MA-L (24-bit, large block)
Country	SE
Example MAC	00:15:B3:00:00:00

What this means

The IEEE assigned the MA-L block 0015B3 to Caretech 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 00:15:B3, it is Caretech AB hardware.

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