MAC prefix F8:7A:39:E
| Vendor | Cognosos, Inc. |
|---|---|
| Short name | Cognosos |
| Prefix | F8:7A:39:E/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | F8:7A:39:E0:00:00 – F8:7A:39:EF:FF:FF |
| Notations | F8:7A:39:E0:00:00F8-7A-39-E0-00-00f87a.39e0.0000F87A39E00000 |
Frequently asked questions
Which vendor does MAC address F8:7A:39:E belong to?
MAC addresses starting with F8:7A:39:E are assigned to Cognosos, Inc. according to the IEEE registry (prefix length 28 bits).
How many addresses does block F8:7A:39:E contain?
The block contains 1,048,576 addresses from F8:7A:39:E0:00:00 to F8:7A:39:EF:FF:FF.
Is F8:7A:39:E 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 Cognosos, Inc. have?
Cognosos, Inc. holds 2 registered prefixes in total – the full list is on the vendor page.