What this means
The IEEE assigned the MA-L block B081D8 to I-sys Corp. 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 B0:81:D8, it is I-sys Corp hardware.
Frequently Asked Questions
Who owns MAC prefix B081D8?
B081D8 is registered to I-sys Corp 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. I-sys Corp's block covers 16,777,216 addresses.
What devices use B081D8?
Any network device with a MAC address starting B0:81:D8 was manufactured by or for I-sys Corp.