MAC prefix 84:B3:86:4
| Vendor | Cobham |
|---|---|
| Prefix | 84:B3:86:4/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 84:B3:86:40:00:00 – 84:B3:86:4F:FF:FF |
| Notations | 84:B3:86:40:00:0084-B3-86-40-00-0084b3.8640.000084B386400000 |
Frequently asked questions
Which vendor does MAC address 84:B3:86:4 belong to?
MAC addresses starting with 84:B3:86:4 are assigned to Cobham according to the IEEE registry (prefix length 28 bits).
How many addresses does block 84:B3:86:4 contain?
The block contains 1,048,576 addresses from 84:B3:86:40:00:00 to 84:B3:86:4F:FF:FF.
Is 84:B3:86:4 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 Cobham have?
Cobham holds 2 registered prefixes in total – the full list is on the vendor page.