Who owns MAC prefix 8CE7B3?

8CE7B3 is registered to Sonardyne International Ltd in the IEEE MA-L registry.

What devices use 8CE7B3?

Any network device with a MAC address starting 8C:E7:B3 was manufactured by or for Sonardyne International Ltd.

MA-L · OUI prefix

Sonardyne International Ltd

Any MAC address starting 8C:E7:B3 is registered to Sonardyne International Ltd.

OUI prefix	8CE7B3
Vendor	Sonardyne International Ltd
Registry	MA-L (24-bit, large block)
Example MAC	8C:E7:B3:00:00:00

What this means

The IEEE assigned the MA-L block 8CE7B3 to Sonardyne International Ltd. 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 8C:E7:B3, it is Sonardyne International Ltd hardware.

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