Who owns MAC prefix 38F557?

38F557 is registered to JOLATA, INC. in the IEEE MA-L registry.

What devices use 38F557?

Any network device with a MAC address starting 38:F5:57 was manufactured by or for JOLATA, INC..

MA-L · OUI prefix

JOLATA, INC.

Any MAC address starting 38:F5:57 is registered to JOLATA, INC. in US.

OUI prefix	38F557
Vendor	JOLATA, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	38:F5:57:00:00:00

What this means

The IEEE assigned the MA-L block 38F557 to JOLATA, 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 38:F5:57, it is JOLATA, INC. hardware.

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