What this means
The IEEE assigned the MA-L block ECB4E8 to Wistron Mexico SA de CV. 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:B4:E8, it is Wistron Mexico SA de CV hardware.
Frequently Asked Questions
Who owns MAC prefix ECB4E8?
ECB4E8 is registered to Wistron Mexico SA de CV 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. Wistron Mexico SA de CV's block covers 16,777,216 addresses.
What devices use ECB4E8?
Any network device with a MAC address starting EC:B4:E8 was manufactured by or for Wistron Mexico SA de CV.