What this means
The IEEE assigned the MA-M block E4956E5 to Bucher Automation Budapest. 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 E4:95:6E:5, it is Bucher Automation Budapest hardware.
Frequently Asked Questions
Who owns MAC prefix E4956E5?
E4956E5 is registered to Bucher Automation Budapest 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. Bucher Automation Budapest's block covers 1,048,576 addresses.
What devices use E4956E5?
Any network device with a MAC address starting E4:95:6E:5 was manufactured by or for Bucher Automation Budapest.