MAC prefix 70:B3:D5:E1:F

Theta432

VendorTheta432
Prefix70:B3:D5:E1:F/36
Block typeMA-S (/36, 4,096 addresses)
Address range70:B3:D5:E1:F0:00 – 70:B3:D5:E1:FF:FF
Notations70:B3:D5:E1:F0:00
70-B3-D5-E1-F0-00
70b3.d5e1.f000
70B3D5E1F000

Frequently asked questions

Which vendor does MAC address 70:B3:D5:E1:F belong to?

MAC addresses starting with 70:B3:D5:E1:F are assigned to Theta432 according to the IEEE registry (prefix length 36 bits).

How many addresses does block 70:B3:D5:E1:F contain?

The block contains 4,096 addresses from 70:B3:D5:E1:F0:00 to 70:B3:D5:E1:FF:FF.

Is 70:B3:D5:E1:F 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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