Who owns MAC prefix 1C63B7?

1C63B7 is registered to OpenProducts 237 AB in the IEEE MA-L registry.

What devices use 1C63B7?

Any network device with a MAC address starting 1C:63:B7 was manufactured by or for OpenProducts 237 AB.

MA-L · OUI prefix

OpenProducts 237 AB

Any MAC address starting 1C:63:B7 is registered to OpenProducts 237 AB in SE.

OUI prefix	1C63B7
Vendor	OpenProducts 237 AB
Registry	MA-L (24-bit, large block)
Country	SE
Example MAC	1C:63:B7:00:00:00

What this means

The IEEE assigned the MA-L block 1C63B7 to OpenProducts 237 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 1C:63:B7, it is OpenProducts 237 AB hardware.

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