What this means
The IEEE assigned the MA-M block ECBA344 to CITIZEN T.I.C. 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 EC:BA:34:4, it is CITIZEN T.I.C. CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix ECBA344?
ECBA344 is registered to CITIZEN T.I.C. CO., LTD. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. CITIZEN T.I.C. CO., LTD.'s block covers 1,048,576 addresses.
What devices use ECBA344?
Any network device with a MAC address starting EC:BA:34:4 was manufactured by or for CITIZEN T.I.C. CO., LTD..