What this means
The IEEE assigned the MA-L block 00136B to E-TEC. 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 00:13:6B, it is E-TEC hardware.
Frequently Asked Questions
Who owns MAC prefix 00136B?
00136B is registered to E-TEC 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. E-TEC's block covers 16,777,216 addresses.
What devices use 00136B?
Any network device with a MAC address starting 00:13:6B was manufactured by or for E-TEC.