What this means
The IEEE assigned the MA-M block 58FCDB5 to Shenzhen Siecom Communication Technology Development 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 58:FC:DB:5, it is Shenzhen Siecom Communication Technology Development Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 58FCDB5?
58FCDB5 is registered to Shenzhen Siecom Communication Technology Development 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. Shenzhen Siecom Communication Technology Development Co.,Ltd.'s block covers 1,048,576 addresses.
What devices use 58FCDB5?
Any network device with a MAC address starting 58:FC:DB:5 was manufactured by or for Shenzhen Siecom Communication Technology Development Co.,Ltd..