What this means
The IEEE assigned the MA-M block 70886B5 to Chengdu Ophylink Communication Technology 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 70:88:6B:5, it is Chengdu Ophylink Communication Technology Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 70886B5?
70886B5 is registered to Chengdu Ophylink Communication Technology 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. Chengdu Ophylink Communication Technology Ltd.'s block covers 1,048,576 addresses.
What devices use 70886B5?
Any network device with a MAC address starting 70:88:6B:5 was manufactured by or for Chengdu Ophylink Communication Technology Ltd..