Who owns MAC prefix E8EF89?

E8EF89 is registered to OPMEX Tech. in the IEEE MA-L registry.

What devices use E8EF89?

Any network device with a MAC address starting E8:EF:89 was manufactured by or for OPMEX Tech..

MA-L · OUI prefix

OPMEX Tech.

Any MAC address starting E8:EF:89 is registered to OPMEX Tech. in CN.

OUI prefix	E8EF89
Vendor	OPMEX Tech.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	E8:EF:89:00:00:00

What this means

The IEEE assigned the MA-L block E8EF89 to OPMEX Tech.. 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:EF:89, it is OPMEX Tech. hardware.

Look up another MAC