What this means
The IEEE assigned the MA-L block 781DFD to Jabil 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 78:1D:FD, it is Jabil Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 781DFD?
781DFD is registered to Jabil 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. Jabil Inc's block covers 16,777,216 addresses.
What devices use 781DFD?
Any network device with a MAC address starting 78:1D:FD was manufactured by or for Jabil Inc.