What this means
The IEEE assigned the MA-L block 002377 to Isotek Electronics 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 00:23:77, it is Isotek Electronics Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 002377?
002377 is registered to Isotek Electronics 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. Isotek Electronics Ltd's block covers 16,777,216 addresses.
What devices use 002377?
Any network device with a MAC address starting 00:23:77 was manufactured by or for Isotek Electronics Ltd.