IEEE Registration Authority - MAC Prefix B0475E (MA-L)

What this means

The IEEE assigned the MA-L block B0475E to IEEE Registration Authority. 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 B0:47:5E, it is IEEE Registration Authority hardware.

Frequently Asked Questions

Who owns MAC prefix B0475E?

B0475E is registered to IEEE Registration Authority 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. IEEE Registration Authority's block covers 16,777,216 addresses.

What devices use B0475E?

Any network device with a MAC address starting B0:47:5E was manufactured by or for IEEE Registration Authority.

Other IEEE Registration Authority prefixes

IEEE Registration Authority holds 439 registered blocks in total.

OUI prefix	B0475E
Vendor	IEEE Registration Authority
Registry	MA-L (24-bit, large block)
Block size	16,777,216 addresses
Country	US
Other blocks by this vendor	439 total
Example MAC	B0:47:5E:00:00:00