Who owns MAC prefix 381766?

381766 is registered to PROMZAKAZ LTD. in the IEEE MA-L registry.

What devices use 381766?

Any network device with a MAC address starting 38:17:66 was manufactured by or for PROMZAKAZ LTD..

MA-L · OUI prefix

PROMZAKAZ LTD.

Any MAC address starting 38:17:66 is registered to PROMZAKAZ LTD. in RU.

OUI prefix	381766
Vendor	PROMZAKAZ LTD.
Registry	MA-L (24-bit, large block)
Country	RU
Example MAC	38:17:66:00:00:00

What this means

The IEEE assigned the MA-L block 381766 to PROMZAKAZ LTD.. 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 38:17:66, it is PROMZAKAZ LTD. hardware.

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