MAC prefix 04:A1:6F:3
Crypto4A Technologies
| Vendor | Crypto4A Technologies |
|---|---|
| Short name | Crypto4ATech |
| Prefix | 04:A1:6F:3/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 04:A1:6F:30:00:00 – 04:A1:6F:3F:FF:FF |
| Notations | 04:A1:6F:30:00:0004-A1-6F-30-00-0004a1.6f30.000004A16F300000 |
Frequently asked questions
Which vendor does MAC address 04:A1:6F:3 belong to?
MAC addresses starting with 04:A1:6F:3 are assigned to Crypto4A Technologies according to the IEEE registry (prefix length 28 bits).
How many addresses does block 04:A1:6F:3 contain?
The block contains 1,048,576 addresses from 04:A1:6F:30:00:00 to 04:A1:6F:3F:FF:FF.
Is 04:A1:6F: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.