MAC prefix E4:4C:C7:4
Beijing Zhongchuangwei Nanjing Quantum Communication Technology Co., Ltd.
| Vendor | Beijing Zhongchuangwei Nanjing Quantum Communication Technology Co., Ltd. |
|---|---|
| Short name | Zhongchuangw |
| Prefix | E4:4C:C7:4/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | E4:4C:C7:40:00:00 – E4:4C:C7:4F:FF:FF |
| Notations | E4:4C:C7:40:00:00E4-4C-C7-40-00-00e44c.c740.0000E44CC7400000 |
Frequently asked questions
Which vendor does MAC address E4:4C:C7:4 belong to?
MAC addresses starting with E4:4C:C7:4 are assigned to Beijing Zhongchuangwei Nanjing Quantum Communication Technology Co., Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block E4:4C:C7:4 contain?
The block contains 1,048,576 addresses from E4:4C:C7:40:00:00 to E4:4C:C7:4F:FF:FF.
Is E4:4C:C7:4 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.