What this means
The IEEE assigned the MA-L block 347877 to O-Net Communications (Shenzhen) Limited. 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 34:78:77, it is O-Net Communications (Shenzhen) Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 347877?
347877 is registered to O-Net Communications (Shenzhen) Limited 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. O-Net Communications (Shenzhen) Limited's block covers 16,777,216 addresses.
What devices use 347877?
Any network device with a MAC address starting 34:78:77 was manufactured by or for O-Net Communications (Shenzhen) Limited.