Who owns MAC prefix 001937?

001937 is registered to CommerceGuard AB in the IEEE MA-L registry.

What devices use 001937?

Any network device with a MAC address starting 00:19:37 was manufactured by or for CommerceGuard AB.

MA-L · OUI prefix

CommerceGuard AB

Any MAC address starting 00:19:37 is registered to CommerceGuard AB in SE.

OUI prefix	001937
Vendor	CommerceGuard AB
Registry	MA-L (24-bit, large block)
Country	SE
Example MAC	00:19:37:00:00:00

What this means

The IEEE assigned the MA-L block 001937 to CommerceGuard 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 00:19:37, it is CommerceGuard AB hardware.

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