MAC prefix E8:FF:1E:9
Shenzhen Justinfo Technology Co.,Ltd
| Vendor | Shenzhen Justinfo Technology Co.,Ltd |
|---|---|
| Short name | JustinfoTech |
| Prefix | E8:FF:1E:9/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | E8:FF:1E:90:00:00 – E8:FF:1E:9F:FF:FF |
| Notations | E8:FF:1E:90:00:00E8-FF-1E-90-00-00e8ff.1e90.0000E8FF1E900000 |
Frequently asked questions
Which vendor does MAC address E8:FF:1E:9 belong to?
MAC addresses starting with E8:FF:1E:9 are assigned to Shenzhen Justinfo Technology Co.,Ltd according to the IEEE registry (prefix length 28 bits).
How many addresses does block E8:FF:1E:9 contain?
The block contains 1,048,576 addresses from E8:FF:1E:90:00:00 to E8:FF:1E:9F:FF:FF.
Is E8:FF:1E:9 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.