What this means
The IEEE assigned the MA-L block 8870EF to SC Professional Trading 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 88:70:EF, it is SC Professional Trading Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 8870EF?
8870EF is registered to SC Professional Trading 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. SC Professional Trading Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 8870EF?
Any network device with a MAC address starting 88:70:EF was manufactured by or for SC Professional Trading Co., Ltd..