MAC prefix A0:12:90
| Vendor | Avaya Inc |
|---|---|
| Short name | Avaya |
| Prefix | A0:12:90/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | A0:12:90:00:00:00 – A0:12:90:FF:FF:FF |
| Notations | A0:12:90:00:00:00A0-12-90-00-00-00a012.9000.0000A01290000000 |
Frequently asked questions
Which vendor does MAC address A0:12:90 belong to?
MAC addresses starting with A0:12:90 are assigned to Avaya Inc according to the IEEE registry (prefix length 24 bits).
How many addresses does block A0:12:90 contain?
The block contains 16,777,216 addresses from A0:12:90:00:00:00 to A0:12:90:FF:FF:FF.
Is A0:12:90 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 Avaya Inc have?
Avaya Inc holds 53 registered prefixes in total – the full list is on the vendor page.