MAC prefix 1C:57:3E

Altice Labs

VendorAltice Labs
Short nameAlticeLabs
Prefix1C:57:3E/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range1C:57:3E:00:00:00 – 1C:57:3E:FF:FF:FF
Notations1C:57:3E:00:00:00
1C-57-3E-00-00-00
1c57.3e00.0000
1C573E000000

Frequently asked questions

Which vendor does MAC address 1C:57:3E belong to?

MAC addresses starting with 1C:57:3E are assigned to Altice Labs according to the IEEE registry (prefix length 24 bits).

How many addresses does block 1C:57:3E contain?

The block contains 16,777,216 addresses from 1C:57:3E:00:00:00 to 1C:57:3E:FF:FF:FF.

Is 1C:57:3E 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 Altice Labs have?

Altice Labs holds 5 registered prefixes in total – the full list is on the vendor page.

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