Who owns MAC prefix 00A0E4?

00A0E4 is registered to OPTIQUEST in the IEEE MA-L registry.

What devices use 00A0E4?

Any network device with a MAC address starting 00:A0:E4 was manufactured by or for OPTIQUEST.

MA-L · OUI prefix

OPTIQUEST

Any MAC address starting 00:A0:E4 is registered to OPTIQUEST in US.

OUI prefix	00A0E4
Vendor	OPTIQUEST
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:A0:E4:00:00:00

What this means

The IEEE assigned the MA-L block 00A0E4 to OPTIQUEST. 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:A0:E4, it is OPTIQUEST hardware.

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