MAC prefix C4:FF:84:8
| Vendor | Ibm |
|---|---|
| Prefix | C4:FF:84:8/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | C4:FF:84:80:00:00 – C4:FF:84:8F:FF:FF |
| Notations | C4:FF:84:80:00:00C4-FF-84-80-00-00c4ff.8480.0000C4FF84800000 |
Frequently asked questions
Which vendor does MAC address C4:FF:84:8 belong to?
MAC addresses starting with C4:FF:84:8 are assigned to Ibm according to the IEEE registry (prefix length 28 bits).
How many addresses does block C4:FF:84:8 contain?
The block contains 1,048,576 addresses from C4:FF:84:80:00:00 to C4:FF:84:8F:FF:FF.
Is C4:FF:84:8 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 Ibm have?
Ibm holds 31 registered prefixes in total – the full list is on the vendor page.