MAC prefix 54:A1:04
OPTOWL Co.,Ltd
| Vendor | OPTOWL Co.,Ltd |
|---|---|
| Short name | OPTOWL |
| Prefix | 54:A1:04/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 54:A1:04:00:00:00 – 54:A1:04:FF:FF:FF |
| Notations | 54:A1:04:00:00:0054-A1-04-00-00-0054a1.0400.000054A104000000 |
Frequently asked questions
Which vendor does MAC address 54:A1:04 belong to?
MAC addresses starting with 54:A1:04 are assigned to OPTOWL Co.,Ltd according to the IEEE registry (prefix length 24 bits).
How many addresses does block 54:A1:04 contain?
The block contains 16,777,216 addresses from 54:A1:04:00:00:00 to 54:A1:04:FF:FF:FF.
Is 54:A1:04 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.