MAC prefix 78:AF:E4

Comau S.p.A

VendorComau S.p.A
Short nameComau
Prefix78:AF:E4/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range78:AF:E4:00:00:00 – 78:AF:E4:FF:FF:FF
Notations78:AF:E4:00:00:00
78-AF-E4-00-00-00
78af.e400.0000
78AFE4000000

Frequently asked questions

Which vendor does MAC address 78:AF:E4 belong to?

MAC addresses starting with 78:AF:E4 are assigned to Comau S.p.A according to the IEEE registry (prefix length 24 bits).

How many addresses does block 78:AF:E4 contain?

The block contains 16,777,216 addresses from 78:AF:E4:00:00:00 to 78:AF:E4:FF:FF:FF.

Is 78:AF:E4 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.

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