MAC prefix 58:21:36

KMB systems, s.r.o.

VendorKMB systems, s.r.o.
Short nameKMBsro
Prefix58:21:36/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range58:21:36:00:00:00 – 58:21:36:FF:FF:FF
Notations58:21:36:00:00:00
58-21-36-00-00-00
5821.3600.0000
582136000000

Frequently asked questions

Which vendor does MAC address 58:21:36 belong to?

MAC addresses starting with 58:21:36 are assigned to KMB systems, s.r.o. according to the IEEE registry (prefix length 24 bits).

How many addresses does block 58:21:36 contain?

The block contains 16,777,216 addresses from 58:21:36:00:00:00 to 58:21:36:FF:FF:FF.

Is 58:21:36 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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