MAC prefix 90:27:78

Open Infrastructure

VendorOpen Infrastructure
Short nameOpenInfrastr
Prefix90:27:78/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range90:27:78:00:00:00 – 90:27:78:FF:FF:FF
Notations90:27:78:00:00:00
90-27-78-00-00-00
9027.7800.0000
902778000000

Frequently asked questions

Which vendor does MAC address 90:27:78 belong to?

MAC addresses starting with 90:27:78 are assigned to Open Infrastructure according to the IEEE registry (prefix length 24 bits).

How many addresses does block 90:27:78 contain?

The block contains 16,777,216 addresses from 90:27:78:00:00:00 to 90:27:78:FF:FF:FF.

Is 90:27:78 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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