Who owns MAC prefix 70BF3E?

70BF3E is registered to Charles River Laboratories in the IEEE MA-L registry.

What devices use 70BF3E?

Any network device with a MAC address starting 70:BF:3E was manufactured by or for Charles River Laboratories.

MA-L · OUI prefix

Charles River Laboratories

Any MAC address starting 70:BF:3E is registered to Charles River Laboratories in US.

OUI prefix	70BF3E
Vendor	Charles River Laboratories
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	70:BF:3E:00:00:00

What this means

The IEEE assigned the MA-L block 70BF3E to Charles River Laboratories. 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:BF:3E, it is Charles River Laboratories hardware.

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