MAC prefix EC:83:D5

GIRD Systems Inc

VendorGIRD Systems Inc
Short nameGIRD
PrefixEC:83:D5/24
Block typeMA-L (/24, 16,777,216 addresses)
Address rangeEC:83:D5:00:00:00 – EC:83:D5:FF:FF:FF
NotationsEC:83:D5:00:00:00
EC-83-D5-00-00-00
ec83.d500.0000
EC83D5000000

Frequently asked questions

Which vendor does MAC address EC:83:D5 belong to?

MAC addresses starting with EC:83:D5 are assigned to GIRD Systems Inc according to the IEEE registry (prefix length 24 bits).

How many addresses does block EC:83:D5 contain?

The block contains 16,777,216 addresses from EC:83:D5:00:00:00 to EC:83:D5:FF:FF:FF.

Is EC:83:D5 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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