MAC prefix F4:20:55:E
Shenzhen Keyking Technology Limited
| Vendor | Shenzhen Keyking Technology Limited |
|---|---|
| Short name | KeykingTechn |
| Prefix | F4:20:55:E/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | F4:20:55:E0:00:00 – F4:20:55:EF:FF:FF |
| Notations | F4:20:55:E0:00:00F4-20-55-E0-00-00f420.55e0.0000F42055E00000 |
Frequently asked questions
Which vendor does MAC address F4:20:55:E belong to?
MAC addresses starting with F4:20:55:E are assigned to Shenzhen Keyking Technology Limited according to the IEEE registry (prefix length 28 bits).
How many addresses does block F4:20:55:E contain?
The block contains 1,048,576 addresses from F4:20:55:E0:00:00 to F4:20:55:EF:FF:FF.
Is F4:20:55: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.