MAC prefix AC:1D:DF:3
| Vendor | Crde |
|---|---|
| Prefix | AC:1D:DF:3/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | AC:1D:DF:30:00:00 – AC:1D:DF:3F:FF:FF |
| Notations | AC:1D:DF:30:00:00AC-1D-DF-30-00-00ac1d.df30.0000AC1DDF300000 |
Frequently asked questions
Which vendor does MAC address AC:1D:DF:3 belong to?
MAC addresses starting with AC:1D:DF:3 are assigned to Crde according to the IEEE registry (prefix length 28 bits).
How many addresses does block AC:1D:DF:3 contain?
The block contains 1,048,576 addresses from AC:1D:DF:30:00:00 to AC:1D:DF:3F:FF:FF.
Is AC:1D:DF: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.
Which other MAC prefixes does Crde have?
Crde holds 21 registered prefixes in total – the full list is on the vendor page.