What this means
The IEEE assigned the MA-L block 001822 to CEC TELECOM CO.,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 00:18:22, it is CEC TELECOM CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 001822?
001822 is registered to CEC TELECOM CO.,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. CEC TELECOM CO.,LTD.'s block covers 16,777,216 addresses.
What devices use 001822?
Any network device with a MAC address starting 00:18:22 was manufactured by or for CEC TELECOM CO.,LTD..