What this means
The IEEE assigned the MA-L block C411E0 to Bull Group Co., Ltd. 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 C4:11:E0, it is Bull Group Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix C411E0?
C411E0 is registered to Bull Group Co., Ltd 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. Bull Group Co., Ltd's block covers 16,777,216 addresses.
What devices use C411E0?
Any network device with a MAC address starting C4:11:E0 was manufactured by or for Bull Group Co., Ltd.