What this means
The IEEE assigned the MA-L block E0C922 to Jireh Energy Tech., 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 E0:C9:22, it is Jireh Energy Tech., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix E0C922?
E0C922 is registered to Jireh Energy Tech., 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. Jireh Energy Tech., Ltd.'s block covers 16,777,216 addresses.
What devices use E0C922?
Any network device with a MAC address starting E0:C9:22 was manufactured by or for Jireh Energy Tech., Ltd..