Who owns MAC prefix 70B3D5DD8?

70B3D5DD8 is registered to EMSCAN Corp. in the IEEE MA-S registry.

What devices use 70B3D5DD8?

Any network device with a MAC address starting 70:B3:D5:DD:8 was manufactured by or for EMSCAN Corp..

MA-S · OUI prefix

EMSCAN Corp.

Any MAC address starting 70:B3:D5:DD:8 is registered to EMSCAN Corp..

OUI prefix	70B3D5DD8
Vendor	EMSCAN Corp.
Registry	MA-S (36-bit, small block)
Example MAC	70:B3:D5:DD:8:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5DD8 to EMSCAN Corp.. 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:DD:8, it is EMSCAN Corp. hardware.

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