MAC prefix E4:21:50
Shanghai Chint low voltage electrical technology Co.,Ltd.
| Vendor | Shanghai Chint low voltage electrical technology Co.,Ltd. |
|---|---|
| Short name | Chintlowvolt |
| Prefix | E4:21:50/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | E4:21:50:00:00:00 – E4:21:50:FF:FF:FF |
| Notations | E4:21:50:00:00:00E4-21-50-00-00-00e421.5000.0000E42150000000 |
Frequently asked questions
Which vendor does MAC address E4:21:50 belong to?
MAC addresses starting with E4:21:50 are assigned to Shanghai Chint low voltage electrical technology Co.,Ltd. according to the IEEE registry (prefix length 24 bits).
How many addresses does block E4:21:50 contain?
The block contains 16,777,216 addresses from E4:21:50:00:00:00 to E4:21:50:FF:FF:FF.
Is E4:21:50 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.