MAC prefix F8:C9:D6:4
| Vendor | Active Research Limited |
|---|---|
| Short name | ActiveResear |
| Prefix | F8:C9:D6:4/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | F8:C9:D6:40:00:00 – F8:C9:D6:4F:FF:FF |
| Notations | F8:C9:D6:40:00:00F8-C9-D6-40-00-00f8c9.d640.0000F8C9D6400000 |
Frequently asked questions
Which vendor does MAC address F8:C9:D6:4 belong to?
MAC addresses starting with F8:C9:D6:4 are assigned to Active Research Limited according to the IEEE registry (prefix length 28 bits).
How many addresses does block F8:C9:D6:4 contain?
The block contains 1,048,576 addresses from F8:C9:D6:40:00:00 to F8:C9:D6:4F:FF:FF.
Is F8:C9:D6:4 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 Active Research Limited have?
Active Research Limited holds 4 registered prefixes in total – the full list is on the vendor page.