MAC prefix 20:1F:31

Inteno Broadband Technology AB

VendorInteno Broadband Technology AB
Short nameIntenoBroadb
Prefix20:1F:31/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range20:1F:31:00:00:00 – 20:1F:31:FF:FF:FF
Notations20:1F:31:00:00:00
20-1F-31-00-00-00
201f.3100.0000
201F31000000

Frequently asked questions

Which vendor does MAC address 20:1F:31 belong to?

MAC addresses starting with 20:1F:31 are assigned to Inteno Broadband Technology AB according to the IEEE registry (prefix length 24 bits).

How many addresses does block 20:1F:31 contain?

The block contains 16,777,216 addresses from 20:1F:31:00:00:00 to 20:1F:31:FF:FF:FF.

Is 20:1F:31 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 Inteno Broadband Technology AB have?

Inteno Broadband Technology AB holds 4 registered prefixes in total – the full list is on the vendor page.

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