What this means
The IEEE assigned the MA-L block EC83D5 to GIRD Systems 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 EC:83:D5, it is GIRD Systems Inc hardware.
Frequently Asked Questions
Who owns MAC prefix EC83D5?
EC83D5 is registered to GIRD Systems 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. GIRD Systems Inc's block covers 16,777,216 addresses.
What devices use EC83D5?
Any network device with a MAC address starting EC:83:D5 was manufactured by or for GIRD Systems Inc.