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.
Frequently Asked Questions
Who owns MAC prefix 8CE7B3?
8CE7B3 is registered to Sonardyne International Ltd in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Sonardyne International Ltd's block covers 16,777,216 addresses.
What devices use 8CE7B3?
Any network device with a MAC address starting 8C:E7:B3 was manufactured by or for Sonardyne International Ltd.