MAC prefix 40:D8:55:03:4
| Vendor | Dacom West GmbH |
|---|---|
| Short name | DacomWest |
| Prefix | 40:D8:55:03:4/36 |
| Block type | MA-S (/36, 4,096 addresses) |
| Address range | 40:D8:55:03:40:00 – 40:D8:55:03:4F:FF |
| Notations | 40:D8:55:03:40:0040-D8-55-03-40-0040d8.5503.400040D855034000 |
Frequently asked questions
Which vendor does MAC address 40:D8:55:03:4 belong to?
MAC addresses starting with 40:D8:55:03:4 are assigned to Dacom West GmbH according to the IEEE registry (prefix length 36 bits).
How many addresses does block 40:D8:55:03:4 contain?
The block contains 4,096 addresses from 40:D8:55:03:40:00 to 40:D8:55:03:4F:FF.
Is 40:D8:55:03:4 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 Dacom West GmbH have?
Dacom West GmbH holds 4 registered prefixes in total – the full list is on the vendor page.