What this means
The IEEE assigned the MA-L block EC9681 to 2276427 Ontario 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:96:81, it is 2276427 Ontario Inc hardware.
Frequently Asked Questions
Who owns MAC prefix EC9681?
EC9681 is registered to 2276427 Ontario 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. 2276427 Ontario Inc's block covers 16,777,216 addresses.
What devices use EC9681?
Any network device with a MAC address starting EC:96:81 was manufactured by or for 2276427 Ontario Inc.