What this means
The IEEE assigned the MA-L block 745327 to COMMSEN CO., LIMITED. 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 74:53:27, it is COMMSEN CO., LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix 745327?
745327 is registered to COMMSEN CO., LIMITED 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. COMMSEN CO., LIMITED's block covers 16,777,216 addresses.
What devices use 745327?
Any network device with a MAC address starting 74:53:27 was manufactured by or for COMMSEN CO., LIMITED.