What this means
The IEEE assigned the MA-L block EC93ED to DDoS-Guard LTD. 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:93:ED, it is DDoS-Guard LTD hardware.
Frequently Asked Questions
Who owns MAC prefix EC93ED?
EC93ED is registered to DDoS-Guard LTD 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. DDoS-Guard LTD's block covers 16,777,216 addresses.
What devices use EC93ED?
Any network device with a MAC address starting EC:93:ED was manufactured by or for DDoS-Guard LTD.