MAC prefix F0:00:7F
Janz - Contadores de Energia, SA
| Vendor | Janz - Contadores de Energia, SA |
|---|---|
| Short name | JanzContador |
| Prefix | F0:00:7F/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | F0:00:7F:00:00:00 – F0:00:7F:FF:FF:FF |
| Notations | F0:00:7F:00:00:00F0-00-7F-00-00-00f000.7f00.0000F0007F000000 |
Frequently asked questions
Which vendor does MAC address F0:00:7F belong to?
MAC addresses starting with F0:00:7F are assigned to Janz - Contadores de Energia, SA according to the IEEE registry (prefix length 24 bits).
How many addresses does block F0:00:7F contain?
The block contains 16,777,216 addresses from F0:00:7F:00:00:00 to F0:00:7F:FF:FF:FF.
Is F0:00:7F 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.