MAC prefix 40:A3:6B:2
| Vendor | TOPROOTTechnology Corp. Ltd. |
|---|---|
| Short name | TOPROOTTechn |
| Prefix | 40:A3:6B:2/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 40:A3:6B:20:00:00 – 40:A3:6B:2F:FF:FF |
| Notations | 40:A3:6B:20:00:0040-A3-6B-20-00-0040a3.6b20.000040A36B200000 |
Frequently asked questions
Which vendor does MAC address 40:A3:6B:2 belong to?
MAC addresses starting with 40:A3:6B:2 are assigned to TOPROOTTechnology Corp. Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 40:A3:6B:2 contain?
The block contains 1,048,576 addresses from 40:A3:6B:20:00:00 to 40:A3:6B:2F:FF:FF.
Is 40:A3:6B:2 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 TOPROOTTechnology Corp. Ltd. have?
TOPROOTTechnology Corp. Ltd. holds 3 registered prefixes in total – the full list is on the vendor page.