MAC prefix 18:A5:9C:B

Cal-Comp Industria E Comercio De Eletronicos E Informatica Ltda

VendorCal-Comp Industria E Comercio De Eletronicos E Informatica Ltda
Short nameCalCompIndus
Prefix18:A5:9C:B/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range18:A5:9C:B0:00:00 – 18:A5:9C:BF:FF:FF
Notations18:A5:9C:B0:00:00
18-A5-9C-B0-00-00
18a5.9cb0.0000
18A59CB00000

Frequently asked questions

Which vendor does MAC address 18:A5:9C:B belong to?

MAC addresses starting with 18:A5:9C:B are assigned to Cal-Comp Industria E Comercio De Eletronicos E Informatica Ltda according to the IEEE registry (prefix length 28 bits).

How many addresses does block 18:A5:9C:B contain?

The block contains 1,048,576 addresses from 18:A5:9C:B0:00:00 to 18:A5:9C:BF:FF:FF.

Is 18:A5:9C: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.

Which other MAC prefixes does Cal-Comp Industria E Comercio De Eletronicos E Informatica Ltda have?

Cal-Comp Industria E Comercio De Eletronicos E Informatica Ltda holds 2 registered prefixes in total – the full list is on the vendor page.

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