What this means
The IEEE assigned the MA-M block E03C1CB to Hangzhou Uni-Ubi 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 E0:3C:1C:B, it is Hangzhou Uni-Ubi Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix E03C1CB?
E03C1CB is registered to Hangzhou Uni-Ubi Co.,Ltd. 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. Hangzhou Uni-Ubi Co.,Ltd.'s block covers 1,048,576 addresses.
What devices use E03C1CB?
Any network device with a MAC address starting E0:3C:1C:B was manufactured by or for Hangzhou Uni-Ubi Co.,Ltd..