MAC prefix F4:90:CB:E
| Vendor | RSAE Labs Inc |
|---|---|
| Short name | RSAELabs |
| Prefix | F4:90:CB:E/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | F4:90:CB:E0:00:00 – F4:90:CB:EF:FF:FF |
| Notations | F4:90:CB:E0:00:00F4-90-CB-E0-00-00f490.cbe0.0000F490CBE00000 |
Frequently asked questions
Which vendor does MAC address F4:90:CB:E belong to?
MAC addresses starting with F4:90:CB:E are assigned to RSAE Labs Inc according to the IEEE registry (prefix length 28 bits).
How many addresses does block F4:90:CB:E contain?
The block contains 1,048,576 addresses from F4:90:CB:E0:00:00 to F4:90:CB:EF:FF:FF.
Is F4:90:CB:E 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.
Which other MAC prefixes does RSAE Labs Inc have?
RSAE Labs Inc holds 2 registered prefixes in total – the full list is on the vendor page.