MAC prefix FC:CF:9F

EM Microelectronic

VendorEM Microelectronic
Short nameEMMicroelect
PrefixFC:CF:9F/24
Block typeMA-L (/24, 16,777,216 addresses)
Address rangeFC:CF:9F:00:00:00 – FC:CF:9F:FF:FF:FF
NotationsFC:CF:9F:00:00:00
FC-CF-9F-00-00-00
fccf.9f00.0000
FCCF9F000000

Frequently asked questions

Which vendor does MAC address FC:CF:9F belong to?

MAC addresses starting with FC:CF:9F are assigned to EM Microelectronic according to the IEEE registry (prefix length 24 bits).

How many addresses does block FC:CF:9F contain?

The block contains 16,777,216 addresses from FC:CF:9F:00:00:00 to FC:CF:9F:FF:FF:FF.

Is FC:CF:9F 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 EM Microelectronic have?

EM Microelectronic holds 76 registered prefixes in total – the full list is on the vendor page.

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