MAC prefix 7C:E4:A1:2
| Vendor | De Haardt bv |
|---|---|
| Short name | DeHaardt |
| Prefix | 7C:E4:A1:2/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 7C:E4:A1:20:00:00 – 7C:E4:A1:2F:FF:FF |
| Notations | 7C:E4:A1:20:00:007C-E4-A1-20-00-007ce4.a120.00007CE4A1200000 |
Frequently asked questions
Which vendor does MAC address 7C:E4:A1:2 belong to?
MAC addresses starting with 7C:E4:A1:2 are assigned to De Haardt bv according to the IEEE registry (prefix length 28 bits).
How many addresses does block 7C:E4:A1:2 contain?
The block contains 1,048,576 addresses from 7C:E4:A1:20:00:00 to 7C:E4:A1:2F:FF:FF.
Is 7C:E4:A1:2 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 De Haardt bv have?
De Haardt bv holds 2 registered prefixes in total – the full list is on the vendor page.