MAC prefix 04:11:19:A
CyOne Security AG
| Vendor | CyOne Security AG |
|---|---|
| Short name | CyOneSecurit |
| Prefix | 04:11:19:A/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 04:11:19:A0:00:00 – 04:11:19:AF:FF:FF |
| Notations | 04:11:19:A0:00:0004-11-19-A0-00-000411.19a0.0000041119A00000 |
Frequently asked questions
Which vendor does MAC address 04:11:19:A belong to?
MAC addresses starting with 04:11:19:A are assigned to CyOne Security AG according to the IEEE registry (prefix length 28 bits).
How many addresses does block 04:11:19:A contain?
The block contains 1,048,576 addresses from 04:11:19:A0:00:00 to 04:11:19:AF:FF:FF.
Is 04:11:19:A 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.