What this means
The IEEE assigned the MA-L block 38A3E0 to 1Finity 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 38:A3:E0, it is 1Finity Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 38A3E0?
38A3E0 is registered to 1Finity 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. 1Finity Inc's block covers 16,777,216 addresses.
What devices use 38A3E0?
Any network device with a MAC address starting 38:A3:E0 was manufactured by or for 1Finity Inc.