MAC prefix C4:83:72:B

care.ai

Vendorcare.ai
Short namecareai
PrefixC4:83:72:B/28
Block typeMA-M (/28, 1,048,576 addresses)
Address rangeC4:83:72:B0:00:00 – C4:83:72:BF:FF:FF
NotationsC4:83:72:B0:00:00
C4-83-72-B0-00-00
c483.72b0.0000
C48372B00000

Frequently asked questions

Which vendor does MAC address C4:83:72:B belong to?

MAC addresses starting with C4:83:72:B are assigned to care.ai according to the IEEE registry (prefix length 28 bits).

How many addresses does block C4:83:72:B contain?

The block contains 1,048,576 addresses from C4:83:72:B0:00:00 to C4:83:72:BF:FF:FF.

Is C4:83:72:B 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