MAC prefix 5A:18:FF
| Vendor | FiRa Consortium |
|---|---|
| Short name | FiRaConsorti |
| Prefix | 5A:18:FF/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 5A:18:FF:00:00:00 – 5A:18:FF:FF:FF:FF |
| Notations | 5A:18:FF:00:00:005A-18-FF-00-00-005a18.ff00.00005A18FF000000 |
Frequently asked questions
Which vendor does MAC address 5A:18:FF belong to?
MAC addresses starting with 5A:18:FF are assigned to FiRa Consortium according to the IEEE registry (prefix length 24 bits).
How many addresses does block 5A:18:FF contain?
The block contains 16,777,216 addresses from 5A:18:FF:00:00:00 to 5A:18:FF:FF:FF:FF.
Is 5A:18:FF a unicast or multicast address?
The least significant bit of the first byte is 0 – it is a unicast address. The second least significant bit is set, so the address is locally 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 FiRa Consortium have?
FiRa Consortium holds 2 registered prefixes in total – the full list is on the vendor page.