Who owns MAC prefix 70B3D520B?

70B3D520B is registered to KST technology in the IEEE MA-S registry.

What devices use 70B3D520B?

Any network device with a MAC address starting 70:B3:D5:20:B was manufactured by or for KST technology.

MA-S · OUI prefix

KST technology

Any MAC address starting 70:B3:D5:20:B is registered to KST technology in KR.

OUI prefix	70B3D520B
Vendor	KST technology
Registry	MA-S (36-bit, small block)
Country	KR
Example MAC	70:B3:D5:20:B:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D520B to KST technology. 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:D5:20:B, it is KST technology hardware.

Other KST technology prefixes

KST technology holds 18 registered blocks in total.

4CAB33 70B3D5012 70B3D50AB 70B3D5351 70B3D53DB 70B3D57F4 70B3D5861 70B3D58A5 70B3D58BB 70B3D5C05 70B3D5C8D 70B3D5CB3 all 18 »

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