Who owns MAC prefix 70B3D506B?

70B3D506B is registered to U-Tech in the IEEE MA-S registry.

What devices use 70B3D506B?

Any network device with a MAC address starting 70:B3:D5:06:B was manufactured by or for U-Tech.

MA-S · OUI prefix

U-Tech

Any MAC address starting 70:B3:D5:06:B is registered to U-Tech in KR.

OUI prefix	70B3D506B
Vendor	U-Tech
Registry	MA-S (36-bit, small block)
Country	KR
Example MAC	70:B3:D5:06:B:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D506B to U-Tech. 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:D5:06:B, it is U-Tech hardware.

Look up another MAC