MAC prefix A4:38:31
RF elements s.r.o.
| Vendor | RF elements s.r.o. |
|---|---|
| Short name | RFelementssr |
| Prefix | A4:38:31/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | A4:38:31:00:00:00 – A4:38:31:FF:FF:FF |
| Notations | A4:38:31:00:00:00A4-38-31-00-00-00a438.3100.0000A43831000000 |
Frequently asked questions
Which vendor does MAC address A4:38:31 belong to?
MAC addresses starting with A4:38:31 are assigned to RF elements s.r.o. according to the IEEE registry (prefix length 24 bits).
How many addresses does block A4:38:31 contain?
The block contains 16,777,216 addresses from A4:38:31:00:00:00 to A4:38:31:FF:FF:FF.
Is A4:38:31 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.