MAC prefix 00:50:C2:03:7

E.I.S.M.

VendorE.I.S.M.
Short nameEISM
Prefix00:50:C2:03:7/36
Block typeMA-S (/36, 4,096 addresses)
Address range00:50:C2:03:70:00 – 00:50:C2:03:7F:FF
Notations00:50:C2:03:70:00
00-50-C2-03-70-00
0050.c203.7000
0050C2037000

Frequently asked questions

Which vendor does MAC address 00:50:C2:03:7 belong to?

MAC addresses starting with 00:50:C2:03:7 are assigned to E.I.S.M. according to the IEEE registry (prefix length 36 bits).

How many addresses does block 00:50:C2:03:7 contain?

The block contains 4,096 addresses from 00:50:C2:03:70:00 to 00:50:C2:03:7F:FF.

Is 00:50:C2:03:7 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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