MAC prefix 38:45:54
Harman/Becker Automotive Systems GmbH
| Vendor | Harman/Becker Automotive Systems GmbH |
|---|---|
| Short name | HarmanBecker |
| Prefix | 38:45:54/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 38:45:54:00:00:00 – 38:45:54:FF:FF:FF |
| Notations | 38:45:54:00:00:0038-45-54-00-00-003845.5400.0000384554000000 |
Frequently asked questions
Which vendor does MAC address 38:45:54 belong to?
MAC addresses starting with 38:45:54 are assigned to Harman/Becker Automotive Systems GmbH according to the IEEE registry (prefix length 24 bits).
How many addresses does block 38:45:54 contain?
The block contains 16,777,216 addresses from 38:45:54:00:00:00 to 38:45:54:FF:FF:FF.
Is 38:45:54 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 Harman/Becker Automotive Systems GmbH have?
Harman/Becker Automotive Systems GmbH holds 11 registered prefixes in total – the full list is on the vendor page.