What this means
The IEEE assigned the MA-M block EC74CDA to Bosch (zhuhai) Security Systems Company, 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:74:CD:A, it is Bosch (zhuhai) Security Systems Company, Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix EC74CDA?
EC74CDA is registered to Bosch (zhuhai) Security Systems Company, 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. Bosch (zhuhai) Security Systems Company, Ltd.'s block covers 1,048,576 addresses.
What devices use EC74CDA?
Any network device with a MAC address starting EC:74:CD:A was manufactured by or for Bosch (zhuhai) Security Systems Company, Ltd..