Who owns MAC prefix 70B3D5CB2?

70B3D5CB2 is registered to SECLAB in the IEEE MA-S registry.

What devices use 70B3D5CB2?

Any network device with a MAC address starting 70:B3:D5:CB:2 was manufactured by or for SECLAB.

MA-S · OUI prefix

SECLAB

Any MAC address starting 70:B3:D5:CB:2 is registered to SECLAB in FR.

OUI prefix	70B3D5CB2
Vendor	SECLAB
Registry	MA-S (36-bit, small block)
Country	FR
Example MAC	70:B3:D5:CB:2:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5CB2 to SECLAB. 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:CB:2, it is SECLAB hardware.

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