MAC prefix 64:FB:81:5

Kay Schulze & Karsten Pohle GbR

VendorKay Schulze & Karsten Pohle GbR
Short nameKaySchulzeKa
Prefix64:FB:81:5/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range64:FB:81:50:00:00 – 64:FB:81:5F:FF:FF
Notations64:FB:81:50:00:00
64-FB-81-50-00-00
64fb.8150.0000
64FB81500000

Frequently asked questions

Which vendor does MAC address 64:FB:81:5 belong to?

MAC addresses starting with 64:FB:81:5 are assigned to Kay Schulze & Karsten Pohle GbR according to the IEEE registry (prefix length 28 bits).

How many addresses does block 64:FB:81:5 contain?

The block contains 1,048,576 addresses from 64:FB:81:50:00:00 to 64:FB:81:5F:FF:FF.

Is 64:FB:81:5 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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