What this means
The IEEE assigned the MA-L block ECB541 to SHINANO E and E 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:B5:41, it is SHINANO E and E Co.Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix ECB541?
ECB541 is registered to SHINANO E and E 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. SHINANO E and E Co.Ltd.'s block covers 16,777,216 addresses.
What devices use ECB541?
Any network device with a MAC address starting EC:B5:41 was manufactured by or for SHINANO E and E Co.Ltd..