Who owns MAC prefix 70B3D52CD?

70B3D52CD is registered to Korea Airports Corporation in the IEEE MA-S registry.

What devices use 70B3D52CD?

Any network device with a MAC address starting 70:B3:D5:2C:D was manufactured by or for Korea Airports Corporation.

MA-S · OUI prefix

Korea Airports Corporation

Any MAC address starting 70:B3:D5:2C:D is registered to Korea Airports Corporation in KR.

OUI prefix	70B3D52CD
Vendor	Korea Airports Corporation
Registry	MA-S (36-bit, small block)
Country	KR
Example MAC	70:B3:D5:2C:D:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D52CD to Korea Airports Corporation. 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 70:B3:D5:2C:D, it is Korea Airports Corporation hardware.

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