MAC prefix E0:4E:7A
Nanjing Qinheng Microelectronics Co., Ltd.
| Vendor | Nanjing Qinheng Microelectronics Co., Ltd. |
|---|---|
| Short name | NanjingQinhe |
| Prefix | E0:4E:7A/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | E0:4E:7A:00:00:00 – E0:4E:7A:FF:FF:FF |
| Notations | E0:4E:7A:00:00:00E0-4E-7A-00-00-00e04e.7a00.0000E04E7A000000 |
Frequently asked questions
Which vendor does MAC address E0:4E:7A belong to?
MAC addresses starting with E0:4E:7A are assigned to Nanjing Qinheng Microelectronics Co., Ltd. according to the IEEE registry (prefix length 24 bits).
How many addresses does block E0:4E:7A contain?
The block contains 16,777,216 addresses from E0:4E:7A:00:00:00 to E0:4E:7A:FF:FF:FF.
Is E0:4E:7A 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 Nanjing Qinheng Microelectronics Co., Ltd. have?
Nanjing Qinheng Microelectronics Co., Ltd. holds 19 registered prefixes in total – the full list is on the vendor page.