NOITAC sp. z o.o. sp.k. - MAC Prefix 381F266 (MA-M)

What this means

The IEEE assigned the MA-M block 381F266 to NOITAC sp. z o.o. sp.k.. 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 38:1F:26:6, it is NOITAC sp. z o.o. sp.k. hardware.

Frequently Asked Questions

Who owns MAC prefix 381F266?

381F266 is registered to NOITAC sp. z o.o. sp.k. in the IEEE MA-M registry.

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. NOITAC sp. z o.o. sp.k.'s block covers 1,048,576 addresses.

What devices use 381F266?

Any network device with a MAC address starting 38:1F:26:6 was manufactured by or for NOITAC sp. z o.o. sp.k..

OUI prefix	381F266
Vendor	NOITAC sp. z o.o. sp.k.
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	PL
Other blocks by this vendor	1 total
Example MAC	38:1F:26:6:00:00:00