MAC prefix C4:19:EC
| Vendor | Qualisys AB |
|---|---|
| Short name | Qualisys |
| Prefix | C4:19:EC/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | C4:19:EC:00:00:00 – C4:19:EC:FF:FF:FF |
| Notations | C4:19:EC:00:00:00C4-19-EC-00-00-00c419.ec00.0000C419EC000000 |
Frequently asked questions
Which vendor does MAC address C4:19:EC belong to?
MAC addresses starting with C4:19:EC are assigned to Qualisys AB according to the IEEE registry (prefix length 24 bits).
How many addresses does block C4:19:EC contain?
The block contains 16,777,216 addresses from C4:19:EC:00:00:00 to C4:19:EC:FF:FF:FF.
Is C4:19:EC 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.
Which other MAC prefixes does Qualisys AB have?
Qualisys AB holds 2 registered prefixes in total – the full list is on the vendor page.