MAC prefix A8:D4:09
USA 111 Inc
| Vendor | USA 111 Inc |
|---|---|
| Short name | USA111 |
| Prefix | A8:D4:09/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | A8:D4:09:00:00:00 – A8:D4:09:FF:FF:FF |
| Notations | A8:D4:09:00:00:00A8-D4-09-00-00-00a8d4.0900.0000A8D409000000 |
Frequently asked questions
Which vendor does MAC address A8:D4:09 belong to?
MAC addresses starting with A8:D4:09 are assigned to USA 111 Inc according to the IEEE registry (prefix length 24 bits).
How many addresses does block A8:D4:09 contain?
The block contains 16,777,216 addresses from A8:D4:09:00:00:00 to A8:D4:09:FF:FF:FF.
Is A8:D4:09 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.