MAC prefix 28:17:CB
Software Freedom Conservancy
| Vendor | Software Freedom Conservancy |
|---|---|
| Short name | SoftwareFree |
| Prefix | 28:17:CB/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 28:17:CB:00:00:00 – 28:17:CB:FF:FF:FF |
| Notations | 28:17:CB:00:00:0028-17-CB-00-00-002817.cb00.00002817CB000000 |
Frequently asked questions
Which vendor does MAC address 28:17:CB belong to?
MAC addresses starting with 28:17:CB are assigned to Software Freedom Conservancy according to the IEEE registry (prefix length 24 bits).
How many addresses does block 28:17:CB contain?
The block contains 16,777,216 addresses from 28:17:CB:00:00:00 to 28:17:CB:FF:FF:FF.
Is 28:17:CB 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.