What this means
The IEEE assigned the MA-L block B4ECFF to Wuhan IPG Technologies 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 B4:EC:FF, it is Wuhan IPG Technologies Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix B4ECFF?
B4ECFF is registered to Wuhan IPG Technologies 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. Wuhan IPG Technologies Co., Ltd.'s block covers 16,777,216 addresses.
What devices use B4ECFF?
Any network device with a MAC address starting B4:EC:FF was manufactured by or for Wuhan IPG Technologies Co., Ltd..