MAC prefix 9C:A5:77

Osorno Enterprises Inc.

VendorOsorno Enterprises Inc.
Short nameOsornoEnterp
Prefix9C:A5:77/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range9C:A5:77:00:00:00 – 9C:A5:77:FF:FF:FF
Notations9C:A5:77:00:00:00
9C-A5-77-00-00-00
9ca5.7700.0000
9CA577000000

Frequently asked questions

Which vendor does MAC address 9C:A5:77 belong to?

MAC addresses starting with 9C:A5:77 are assigned to Osorno Enterprises Inc. according to the IEEE registry (prefix length 24 bits).

How many addresses does block 9C:A5:77 contain?

The block contains 16,777,216 addresses from 9C:A5:77:00:00:00 to 9C:A5:77:FF:FF:FF.

Is 9C:A5:77 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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