MAC prefix 28:C7:18

Altierre

VendorAltierre
Prefix28:C7:18/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range28:C7:18:00:00:00 – 28:C7:18:FF:FF:FF
Notations28:C7:18:00:00:00
28-C7-18-00-00-00
28c7.1800.0000
28C718000000

Frequently asked questions

Which vendor does MAC address 28:C7:18 belong to?

MAC addresses starting with 28:C7:18 are assigned to Altierre according to the IEEE registry (prefix length 24 bits).

How many addresses does block 28:C7:18 contain?

The block contains 16,777,216 addresses from 28:C7:18:00:00:00 to 28:C7:18:FF:FF:FF.

Is 28:C7:18 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 Altierre have?

Altierre holds 2 registered prefixes in total – the full list is on the vendor page.

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