Who owns MAC prefix 0016A9?

0016A9 is registered to 2EI in the IEEE MA-L registry.

What devices use 0016A9?

Any network device with a MAC address starting 00:16:A9 was manufactured by or for 2EI.

MA-L · OUI prefix

2EI

Any MAC address starting 00:16:A9 is registered to 2EI in BR.

OUI prefix	0016A9
Vendor	2EI
Registry	MA-L (24-bit, large block)
Country	BR
Example MAC	00:16:A9:00:00:00

What this means

The IEEE assigned the MA-L block 0016A9 to 2EI. 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:A9, it is 2EI hardware.

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