Who owns MAC prefix 001957?

001957 is registered to Saafnet Canada Inc. in the IEEE MA-L registry.

What devices use 001957?

Any network device with a MAC address starting 00:19:57 was manufactured by or for Saafnet Canada Inc..

MA-L · OUI prefix

Saafnet Canada Inc.

Any MAC address starting 00:19:57 is registered to Saafnet Canada Inc..

OUI prefix	001957
Vendor	Saafnet Canada Inc.
Registry	MA-L (24-bit, large block)
Example MAC	00:19:57:00:00:00

What this means

The IEEE assigned the MA-L block 001957 to Saafnet Canada Inc.. 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 00:19:57, it is Saafnet Canada Inc. hardware.

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