What this means
The IEEE assigned the MA-L block 000158 to Electro Industries/Gauge Tech. 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 00:01:58, it is Electro Industries/Gauge Tech hardware.
Frequently Asked Questions
Who owns MAC prefix 000158?
000158 is registered to Electro Industries/Gauge Tech 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. Electro Industries/Gauge Tech's block covers 16,777,216 addresses.
What devices use 000158?
Any network device with a MAC address starting 00:01:58 was manufactured by or for Electro Industries/Gauge Tech.