MAC prefix F4:1E:5E
RtBrick Inc.
| Vendor | RtBrick Inc. |
|---|---|
| Short name | RtBrick |
| Prefix | F4:1E:5E/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | F4:1E:5E:00:00:00 – F4:1E:5E:FF:FF:FF |
| Notations | F4:1E:5E:00:00:00F4-1E-5E-00-00-00f41e.5e00.0000F41E5E000000 |
Frequently asked questions
Which vendor does MAC address F4:1E:5E belong to?
MAC addresses starting with F4:1E:5E are assigned to RtBrick Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block F4:1E:5E contain?
The block contains 16,777,216 addresses from F4:1E:5E:00:00:00 to F4:1E:5E:FF:FF:FF.
Is F4:1E:5E 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.