What this means
The IEEE assigned the MA-L block 001147 to Secom-Industry 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 00:11:47, it is Secom-Industry co.LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 001147?
001147 is registered to Secom-Industry 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. Secom-Industry co.LTD.'s block covers 16,777,216 addresses.
What devices use 001147?
Any network device with a MAC address starting 00:11:47 was manufactured by or for Secom-Industry co.LTD..