MAC prefix AC:E9:AA
Hay Systems Ltd
| Vendor | Hay Systems Ltd |
|---|---|
| Short name | Hay |
| Prefix | AC:E9:AA/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | AC:E9:AA:00:00:00 – AC:E9:AA:FF:FF:FF |
| Notations | AC:E9:AA:00:00:00AC-E9-AA-00-00-00ace9.aa00.0000ACE9AA000000 |
Frequently asked questions
Which vendor does MAC address AC:E9:AA belong to?
MAC addresses starting with AC:E9:AA are assigned to Hay Systems Ltd according to the IEEE registry (prefix length 24 bits).
How many addresses does block AC:E9:AA contain?
The block contains 16,777,216 addresses from AC:E9:AA:00:00:00 to AC:E9:AA:FF:FF:FF.
Is AC:E9:AA 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.