What this means
The IEEE assigned the MA-L block E446B0 to Fujitsu Client Computing 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 E4:46:B0, it is Fujitsu Client Computing Limited hardware.
Frequently Asked Questions
Who owns MAC prefix E446B0?
E446B0 is registered to Fujitsu Client Computing 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. Fujitsu Client Computing Limited's block covers 16,777,216 addresses.
What devices use E446B0?
Any network device with a MAC address starting E4:46:B0 was manufactured by or for Fujitsu Client Computing Limited.