What this means
The IEEE assigned the MA-L block ECB870 to Beijing Heweinet Technology 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 EC:B8:70, it is Beijing Heweinet Technology Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix ECB870?
ECB870 is registered to Beijing Heweinet Technology 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. Beijing Heweinet Technology Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use ECB870?
Any network device with a MAC address starting EC:B8:70 was manufactured by or for Beijing Heweinet Technology Co.,Ltd..