Who owns MAC prefix 001C20?

001C20 is registered to CLB Benelux in the IEEE MA-L registry.

What devices use 001C20?

Any network device with a MAC address starting 00:1C:20 was manufactured by or for CLB Benelux.

MA-L · OUI prefix

CLB Benelux

Any MAC address starting 00:1C:20 is registered to CLB Benelux in VN.

OUI prefix	001C20
Vendor	CLB Benelux
Registry	MA-L (24-bit, large block)
Country	VN
Example MAC	00:1C:20:00:00:00

What this means

The IEEE assigned the MA-L block 001C20 to CLB Benelux. 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 00:1C:20, it is CLB Benelux hardware.

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