Who owns MAC prefix 0016D1?

0016D1 is registered to ZAT a.s. in the IEEE MA-L registry.

What devices use 0016D1?

Any network device with a MAC address starting 00:16:D1 was manufactured by or for ZAT a.s..

MA-L · OUI prefix

ZAT a.s.

Any MAC address starting 00:16:D1 is registered to ZAT a.s. in CZ.

OUI prefix	0016D1
Vendor	ZAT a.s.
Registry	MA-L (24-bit, large block)
Country	CZ
Example MAC	00:16:D1:00:00:00

What this means

The IEEE assigned the MA-L block 0016D1 to ZAT a.s.. 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 00:16:D1, it is ZAT a.s. hardware.

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