Who owns MAC prefix 40B6B1?

40B6B1 is registered to SUNGSAM CO,.Ltd in the IEEE MA-L registry.

What devices use 40B6B1?

Any network device with a MAC address starting 40:B6:B1 was manufactured by or for SUNGSAM CO,.Ltd.

MA-L · OUI prefix

SUNGSAM CO,.Ltd

Any MAC address starting 40:B6:B1 is registered to SUNGSAM CO,.Ltd in KR.

OUI prefix	40B6B1
Vendor	SUNGSAM CO,.Ltd
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	40:B6:B1:00:00:00

What this means

The IEEE assigned the MA-L block 40B6B1 to SUNGSAM CO,.Ltd. 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 40:B6:B1, it is SUNGSAM CO,.Ltd hardware.

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