What this means
The IEEE assigned the MA-L block 94FD1D to WhereWhen 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 94:FD:1D, it is WhereWhen Corp hardware.
Frequently Asked Questions
Who owns MAC prefix 94FD1D?
94FD1D is registered to WhereWhen 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. WhereWhen Corp's block covers 16,777,216 addresses.
What devices use 94FD1D?
Any network device with a MAC address starting 94:FD:1D was manufactured by or for WhereWhen Corp.