MAC prefix 90:20:83
General Engine Management Systems Ltd.
| Vendor | General Engine Management Systems Ltd. |
|---|---|
| Short name | GeneralEngin |
| Prefix | 90:20:83/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 90:20:83:00:00:00 – 90:20:83:FF:FF:FF |
| Notations | 90:20:83:00:00:0090-20-83-00-00-009020.8300.0000902083000000 |
Frequently asked questions
Which vendor does MAC address 90:20:83 belong to?
MAC addresses starting with 90:20:83 are assigned to General Engine Management Systems Ltd. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 90:20:83 contain?
The block contains 16,777,216 addresses from 90:20:83:00:00:00 to 90:20:83:FF:FF:FF.
Is 90:20:83 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.