Who owns MAC prefix E81AAC?

E81AAC is registered to ORFEO SOUNDWORKS Inc. in the IEEE MA-L registry.

What devices use E81AAC?

Any network device with a MAC address starting E8:1A:AC was manufactured by or for ORFEO SOUNDWORKS Inc..

MA-L · OUI prefix

ORFEO SOUNDWORKS Inc.

Any MAC address starting E8:1A:AC is registered to ORFEO SOUNDWORKS Inc. in KR.

OUI prefix	E81AAC
Vendor	ORFEO SOUNDWORKS Inc.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	E8:1A:AC:00:00:00

What this means

The IEEE assigned the MA-L block E81AAC to ORFEO SOUNDWORKS Inc.. 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 E8:1A:AC, it is ORFEO SOUNDWORKS Inc. hardware.

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