MAC prefix 20:41:81
ESYSE GmbH Embedded Systems Engineering
| Vendor | ESYSE GmbH Embedded Systems Engineering |
|---|---|
| Short name | ESYSEEmbedde |
| Prefix | 20:41:81/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 20:41:81:00:00:00 – 20:41:81:FF:FF:FF |
| Notations | 20:41:81:00:00:0020-41-81-00-00-002041.8100.0000204181000000 |
Frequently asked questions
Which vendor does MAC address 20:41:81 belong to?
MAC addresses starting with 20:41:81 are assigned to ESYSE GmbH Embedded Systems Engineering according to the IEEE registry (prefix length 24 bits).
How many addresses does block 20:41:81 contain?
The block contains 16,777,216 addresses from 20:41:81:00:00:00 to 20:41:81:FF:FF:FF.
Is 20:41:81 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 ESYSE GmbH Embedded Systems Engineering have?
ESYSE GmbH Embedded Systems Engineering holds 2 registered prefixes in total – the full list is on the vendor page.