Who owns MAC prefix 0011AC?

0011AC is registered to Simtec Electronics in the IEEE MA-L registry.

What devices use 0011AC?

Any network device with a MAC address starting 00:11:AC was manufactured by or for Simtec Electronics.

MA-L · OUI prefix

Simtec Electronics

Any MAC address starting 00:11:AC is registered to Simtec Electronics.

OUI prefix	0011AC
Vendor	Simtec Electronics
Registry	MA-L (24-bit, large block)
Example MAC	00:11:AC:00:00:00

What this means

The IEEE assigned the MA-L block 0011AC to Simtec Electronics. 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 00:11:AC, it is Simtec Electronics hardware.

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