MAC prefix 8C:5D:B2:0

Npp Ntt Llc

VendorNpp Ntt Llc
Short nameNppNtt
Prefix8C:5D:B2:0/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range8C:5D:B2:00:00:00 – 8C:5D:B2:0F:FF:FF
Notations8C:5D:B2:00:00:00
8C-5D-B2-00-00-00
8c5d.b200.0000
8C5DB2000000

Frequently asked questions

Which vendor does MAC address 8C:5D:B2:0 belong to?

MAC addresses starting with 8C:5D:B2:0 are assigned to Npp Ntt Llc according to the IEEE registry (prefix length 28 bits).

How many addresses does block 8C:5D:B2:0 contain?

The block contains 1,048,576 addresses from 8C:5D:B2:00:00:00 to 8C:5D:B2:0F:FF:FF.

Is 8C:5D:B2:0 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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