MAC prefix 40:FA:7F
Preh Car Connect GmbH
| Vendor | Preh Car Connect GmbH |
|---|---|
| Short name | PrehCarConne |
| Prefix | 40:FA:7F/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 40:FA:7F:00:00:00 – 40:FA:7F:FF:FF:FF |
| Notations | 40:FA:7F:00:00:0040-FA-7F-00-00-0040fa.7f00.000040FA7F000000 |
Frequently asked questions
Which vendor does MAC address 40:FA:7F belong to?
MAC addresses starting with 40:FA:7F are assigned to Preh Car Connect GmbH according to the IEEE registry (prefix length 24 bits).
How many addresses does block 40:FA:7F contain?
The block contains 16,777,216 addresses from 40:FA:7F:00:00:00 to 40:FA:7F:FF:FF:FF.
Is 40:FA:7F 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.