MAC prefix FC:B5:77
Cortex Security Inc
| Vendor | Cortex Security Inc |
|---|---|
| Short name | CortexSecuri |
| Prefix | FC:B5:77/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | FC:B5:77:00:00:00 – FC:B5:77:FF:FF:FF |
| Notations | FC:B5:77:00:00:00FC-B5-77-00-00-00fcb5.7700.0000FCB577000000 |
Frequently asked questions
Which vendor does MAC address FC:B5:77 belong to?
MAC addresses starting with FC:B5:77 are assigned to Cortex Security Inc according to the IEEE registry (prefix length 24 bits).
How many addresses does block FC:B5:77 contain?
The block contains 16,777,216 addresses from FC:B5:77:00:00:00 to FC:B5:77:FF:FF:FF.
Is FC:B5:77 a unicast or multicast address?
The least significant bit of the first byte is 0 – it is a unicast address. The U/L bit is 0, so the address is globally unique (universally administered).
How do I find the MAC address of my device?
On Linux use ip link, on Windows getmac /v or ipconfig /all, on macOS ifconfig. Note: phones and recent operating systems often use random, locally administered addresses on Wi-Fi.