MAC prefix D4:1C:1C
Rcf S.P.A.
| Vendor | Rcf S.P.A. |
|---|---|
| Short name | Rcf |
| Prefix | D4:1C:1C/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | D4:1C:1C:00:00:00 – D4:1C:1C:FF:FF:FF |
| Notations | D4:1C:1C:00:00:00D4-1C-1C-00-00-00d41c.1c00.0000D41C1C000000 |
Frequently asked questions
Which vendor does MAC address D4:1C:1C belong to?
MAC addresses starting with D4:1C:1C are assigned to Rcf S.P.A. according to the IEEE registry (prefix length 24 bits).
How many addresses does block D4:1C:1C contain?
The block contains 16,777,216 addresses from D4:1C:1C:00:00:00 to D4:1C:1C:FF:FF:FF.
Is D4:1C:1C 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.