MAC prefix 64:DB:81

Syszone Co., Ltd.

VendorSyszone Co., Ltd.
Short nameSyszone
Prefix64:DB:81/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range64:DB:81:00:00:00 – 64:DB:81:FF:FF:FF
Notations64:DB:81:00:00:00
64-DB-81-00-00-00
64db.8100.0000
64DB81000000

Frequently asked questions

Which vendor does MAC address 64:DB:81 belong to?

MAC addresses starting with 64:DB:81 are assigned to Syszone Co., Ltd. according to the IEEE registry (prefix length 24 bits).

How many addresses does block 64:DB:81 contain?

The block contains 16,777,216 addresses from 64:DB:81:00:00:00 to 64:DB:81:FF:FF:FF.

Is 64:DB:81 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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