MAC prefix 40:38:02
| Vendor | Silicon Laboratories |
|---|---|
| Short name | SiliconLabor |
| Prefix | 40:38:02/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 40:38:02:00:00:00 – 40:38:02:FF:FF:FF |
| Notations | 40:38:02:00:00:0040-38-02-00-00-004038.0200.0000403802000000 |
Frequently asked questions
Which vendor does MAC address 40:38:02 belong to?
MAC addresses starting with 40:38:02 are assigned to Silicon Laboratories according to the IEEE registry (prefix length 24 bits).
How many addresses does block 40:38:02 contain?
The block contains 16,777,216 addresses from 40:38:02:00:00:00 to 40:38:02:FF:FF:FF.
Is 40:38:02 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 Silicon Laboratories have?
Silicon Laboratories holds 162 registered prefixes in total – the full list is on the vendor page.