MAC prefix 8C:1F:64:35:E

Test21 Taiwan Corp

VendorTest21 Taiwan Corp
Short nameTest21Taiwan
Prefix8C:1F:64:35:E/36
Block typeMA-S (/36, 4,096 addresses)
Address range8C:1F:64:35:E0:00 – 8C:1F:64:35:EF:FF
Notations8C:1F:64:35:E0:00
8C-1F-64-35-E0-00
8c1f.6435.e000
8C1F6435E000

Frequently asked questions

Which vendor does MAC address 8C:1F:64:35:E belong to?

MAC addresses starting with 8C:1F:64:35:E are assigned to Test21 Taiwan Corp according to the IEEE registry (prefix length 36 bits).

How many addresses does block 8C:1F:64:35:E contain?

The block contains 4,096 addresses from 8C:1F:64:35:E0:00 to 8C:1F:64:35:EF:FF.

Is 8C:1F:64:35:E 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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