MAC prefix 1C:AA:07

Cisco Systems, Inc

VendorCisco Systems, Inc
Short nameCisco
Prefix1C:AA:07/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range1C:AA:07:00:00:00 – 1C:AA:07:FF:FF:FF
Notations1C:AA:07:00:00:00
1C-AA-07-00-00-00
1caa.0700.0000
1CAA07000000

Frequently asked questions

Which vendor does MAC address 1C:AA:07 belong to?

MAC addresses starting with 1C:AA:07 are assigned to Cisco Systems, Inc according to the IEEE registry (prefix length 24 bits).

How many addresses does block 1C:AA:07 contain?

The block contains 16,777,216 addresses from 1C:AA:07:00:00:00 to 1C:AA:07:FF:FF:FF.

Is 1C:AA:07 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 Cisco Systems, Inc have?

Cisco Systems, Inc holds 1,258 registered prefixes in total – the full list is on the vendor page.

Nearby entries