MAC prefix 90:A2:DA
Gheo Sa
| Vendor | Gheo Sa |
|---|---|
| Short name | Gheo |
| Prefix | 90:A2:DA/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 90:A2:DA:00:00:00 – 90:A2:DA:FF:FF:FF |
| Notations | 90:A2:DA:00:00:0090-A2-DA-00-00-0090a2.da00.000090A2DA000000 |
Frequently asked questions
Which vendor does MAC address 90:A2:DA belong to?
MAC addresses starting with 90:A2:DA are assigned to Gheo Sa according to the IEEE registry (prefix length 24 bits).
How many addresses does block 90:A2:DA contain?
The block contains 16,777,216 addresses from 90:A2:DA:00:00:00 to 90:A2:DA:FF:FF:FF.
Is 90:A2:DA 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.