58:FC:DB:1 Certis Technology International
Every MAC address from 58:FC:DB:10:00:00 to 58:FC:DB:1F:FF:FF belongs to a block the IEEE assigned to Certis Technology International. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 58:FC:DB:1 belongs to
Written 58:FC:DB:1, 58-FC-DB-1 or 58FCDB1, depending on the system. Look up a full address.
Prefix
58:FC:DB:1/28
Organization
Certis Technology International
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
58:FC:DB:10:00:00
Last address
58:FC:DB:1F:FF:FF
Address type
Globally unique, unicast
Registered address
Certis CISCO Singapore 409179
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.