What this means
The IEEE assigned the MA-L block 4C3FA7 to uGrid Network Inc.. 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 4C:3F:A7, it is uGrid Network Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 4C3FA7?
4C3FA7 is registered to uGrid Network Inc. 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. uGrid Network Inc.'s block covers 16,777,216 addresses.
What devices use 4C3FA7?
Any network device with a MAC address starting 4C:3F:A7 was manufactured by or for uGrid Network Inc..