What this means
The IEEE assigned the MA-L block 0020E7 to B&W NUCLEAR SERVICE COMPANY. 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 00:20:E7, it is B&W NUCLEAR SERVICE COMPANY hardware.
Frequently Asked Questions
Who owns MAC prefix 0020E7?
0020E7 is registered to B&W NUCLEAR SERVICE COMPANY 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. B&W NUCLEAR SERVICE COMPANY's block covers 16,777,216 addresses.
What devices use 0020E7?
Any network device with a MAC address starting 00:20:E7 was manufactured by or for B&W NUCLEAR SERVICE COMPANY.