What this means
The IEEE assigned the MA-L block 001B36 to Tsubata Engineering Co.,Ltd. (Head Office). 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 00:1B:36, it is Tsubata Engineering Co.,Ltd. (Head Office) hardware.
Frequently Asked Questions
Who owns MAC prefix 001B36?
001B36 is registered to Tsubata Engineering Co.,Ltd. (Head Office) 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. Tsubata Engineering Co.,Ltd. (Head Office)'s block covers 16,777,216 addresses.
What devices use 001B36?
Any network device with a MAC address starting 00:1B:36 was manufactured by or for Tsubata Engineering Co.,Ltd. (Head Office).