MAC prefix 1C:A0:EF:9

Atlas Aerospace

VendorAtlas Aerospace
Short nameAtlasAerospa
Prefix1C:A0:EF:9/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range1C:A0:EF:90:00:00 – 1C:A0:EF:9F:FF:FF
Notations1C:A0:EF:90:00:00
1C-A0-EF-90-00-00
1ca0.ef90.0000
1CA0EF900000

Frequently asked questions

Which vendor does MAC address 1C:A0:EF:9 belong to?

MAC addresses starting with 1C:A0:EF:9 are assigned to Atlas Aerospace according to the IEEE registry (prefix length 28 bits).

How many addresses does block 1C:A0:EF:9 contain?

The block contains 1,048,576 addresses from 1C:A0:EF:90:00:00 to 1C:A0:EF:9F:FF:FF.

Is 1C:A0:EF:9 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.

Nearby entries