58:FC:DB:5 Shenzhen Siecom Communication Technology Development Co.,Ltd.
Every MAC address from 58:FC:DB:50:00:00 to 58:FC:DB:5F:FF:FF belongs to a block the IEEE assigned to Shenzhen Siecom Communication Technology Development Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 58:FC:DB:5 belongs to
Written 58:FC:DB:5, 58-FC-DB-5 or 58FCDB5, depending on the system. Look up a full address.
Prefix
58:FC:DB:5/28
Organization
Shenzhen Siecom Communication Technology Development Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
58:FC:DB:50:00:00
Last address
58:FC:DB:5F:FF:FF
Address type
Globally unique, unicast
Registered address
Wanwei building401 ,Industry 5th Road Shenzhen Guangdong CN 518067
Parent block
Inside 58:FC:DB
This MA-M block is carved from the 24-bit block 58:FC:DB, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.