What this means

The IEEE assigned the MA-M block B0B3535 to Zenlayer. 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 B0:B3:53:5, it is Zenlayer hardware.

Frequently Asked Questions

Who owns MAC prefix B0B3535?

B0B3535 is registered to Zenlayer in the IEEE MA-M registry.

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Zenlayer's block covers 1,048,576 addresses.

What devices use B0B3535?

Any network device with a MAC address starting B0:B3:53:5 was manufactured by or for Zenlayer.