Who owns MAC prefix 7866AE?

7866AE is registered to ZTEC Instruments, Inc. in the IEEE MA-L registry.

What devices use 7866AE?

Any network device with a MAC address starting 78:66:AE was manufactured by or for ZTEC Instruments, Inc..

MA-L · OUI prefix

ZTEC Instruments, Inc.

Any MAC address starting 78:66:AE is registered to ZTEC Instruments, Inc. in US.

OUI prefix	7866AE
Vendor	ZTEC Instruments, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	78:66:AE:00:00:00

What this means

The IEEE assigned the MA-L block 7866AE to ZTEC Instruments, 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 78:66:AE, it is ZTEC Instruments, Inc. hardware.

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