MAC prefix 04:C9:8B:B
Freedom Factory
| Vendor | Freedom Factory |
|---|---|
| Short name | FreedomFacto |
| Prefix | 04:C9:8B:B/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 04:C9:8B:B0:00:00 – 04:C9:8B:BF:FF:FF |
| Notations | 04:C9:8B:B0:00:0004-C9-8B-B0-00-0004c9.8bb0.000004C98BB00000 |
Frequently asked questions
Which vendor does MAC address 04:C9:8B:B belong to?
MAC addresses starting with 04:C9:8B:B are assigned to Freedom Factory according to the IEEE registry (prefix length 28 bits).
How many addresses does block 04:C9:8B:B contain?
The block contains 1,048,576 addresses from 04:C9:8B:B0:00:00 to 04:C9:8B:BF:FF:FF.
Is 04:C9:8B:B 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.