MAC prefix 04:88:8C
Eifelwerk Butler Systeme GmbH
| Vendor | Eifelwerk Butler Systeme GmbH |
|---|---|
| Short name | EifelwerkBut |
| Prefix | 04:88:8C/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 04:88:8C:00:00:00 – 04:88:8C:FF:FF:FF |
| Notations | 04:88:8C:00:00:0004-88-8C-00-00-000488.8c00.000004888C000000 |
Frequently asked questions
Which vendor does MAC address 04:88:8C belong to?
MAC addresses starting with 04:88:8C are assigned to Eifelwerk Butler Systeme GmbH according to the IEEE registry (prefix length 24 bits).
How many addresses does block 04:88:8C contain?
The block contains 16,777,216 addresses from 04:88:8C:00:00:00 to 04:88:8C:FF:FF:FF.
Is 04:88:8C 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.