MAC prefix BC:A3:7F

Rail-Mil Sp. z o.o. Sp. K.

VendorRail-Mil Sp. z o.o. Sp. K.
Short nameRailMilSpSpK
PrefixBC:A3:7F/24
Block typeMA-L (/24, 16,777,216 addresses)
Address rangeBC:A3:7F:00:00:00 – BC:A3:7F:FF:FF:FF
NotationsBC:A3:7F:00:00:00
BC-A3-7F-00-00-00
bca3.7f00.0000
BCA37F000000

Frequently asked questions

Which vendor does MAC address BC:A3:7F belong to?

MAC addresses starting with BC:A3:7F are assigned to Rail-Mil Sp. z o.o. Sp. K. according to the IEEE registry (prefix length 24 bits).

How many addresses does block BC:A3:7F contain?

The block contains 16,777,216 addresses from BC:A3:7F:00:00:00 to BC:A3:7F:FF:FF:FF.

Is BC:A3:7F 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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