MAC prefix C4:B7:57
| Vendor | Alpsalpine Co,.Ltd |
|---|---|
| Short name | Alpsalpine |
| Prefix | C4:B7:57/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | C4:B7:57:00:00:00 – C4:B7:57:FF:FF:FF |
| Notations | C4:B7:57:00:00:00C4-B7-57-00-00-00c4b7.5700.0000C4B757000000 |
Frequently asked questions
Which vendor does MAC address C4:B7:57 belong to?
MAC addresses starting with C4:B7:57 are assigned to Alpsalpine Co,.Ltd according to the IEEE registry (prefix length 24 bits).
How many addresses does block C4:B7:57 contain?
The block contains 16,777,216 addresses from C4:B7:57:00:00:00 to C4:B7:57:FF:FF:FF.
Is C4:B7:57 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 Alpsalpine Co,.Ltd have?
Alpsalpine Co,.Ltd holds 42 registered prefixes in total – the full list is on the vendor page.