MAC prefix 80:E4:DA:3
Beijing Gaokezhongtian Technology Co Ltd
| Vendor | Beijing Gaokezhongtian Technology Co Ltd |
|---|---|
| Short name | Gaokezhongti |
| Prefix | 80:E4:DA:3/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 80:E4:DA:30:00:00 – 80:E4:DA:3F:FF:FF |
| Notations | 80:E4:DA:30:00:0080-E4-DA-30-00-0080e4.da30.000080E4DA300000 |
Frequently asked questions
Which vendor does MAC address 80:E4:DA:3 belong to?
MAC addresses starting with 80:E4:DA:3 are assigned to Beijing Gaokezhongtian Technology Co Ltd according to the IEEE registry (prefix length 28 bits).
How many addresses does block 80:E4:DA:3 contain?
The block contains 1,048,576 addresses from 80:E4:DA:30:00:00 to 80:E4:DA:3F:FF:FF.
Is 80:E4:DA:3 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.