What this means
The IEEE assigned the MA-L block 00039B to NetChip Technology, Inc.. 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 00:03:9B, it is NetChip Technology, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 00039B?
00039B is registered to NetChip Technology, Inc. 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. NetChip Technology, Inc.'s block covers 16,777,216 addresses.
What devices use 00039B?
Any network device with a MAC address starting 00:03:9B was manufactured by or for NetChip Technology, Inc..