MAC prefix CA:12:5C
| Vendor | Microsoft Corporation |
|---|---|
| Short name | Microsoft |
| Prefix | CA:12:5C/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | CA:12:5C:00:00:00 – CA:12:5C:FF:FF:FF |
| Notations | CA:12:5C:00:00:00CA-12-5C-00-00-00ca12.5c00.0000CA125C000000 |
Frequently asked questions
Which vendor does MAC address CA:12:5C belong to?
MAC addresses starting with CA:12:5C are assigned to Microsoft Corporation according to the IEEE registry (prefix length 24 bits).
How many addresses does block CA:12:5C contain?
The block contains 16,777,216 addresses from CA:12:5C:00:00:00 to CA:12:5C:FF:FF:FF.
Is CA:12:5C a unicast or multicast address?
The least significant bit of the first byte is 0 – it is a unicast address. The second least significant bit is set, so the address is locally 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 Microsoft Corporation have?
Microsoft Corporation holds 120 registered prefixes in total – the full list is on the vendor page.