Who owns MAC prefix B0B3539?

B0B3539 is registered to HANMECIPS CO. in the IEEE MA-M registry.

What devices use B0B3539?

Any network device with a MAC address starting B0:B3:53:9 was manufactured by or for HANMECIPS CO..

MA-M · OUI prefix

HANMECIPS CO.

Any MAC address starting B0:B3:53:9 is registered to HANMECIPS CO. in KR.

OUI prefix	B0B3539
Vendor	HANMECIPS CO.
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	B0:B3:53:9:00:00:00

What this means

The IEEE assigned the MA-M block B0B3539 to HANMECIPS CO.. 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 B0:B3:53:9, it is HANMECIPS CO. hardware.

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