MAC prefix 00:12:99

Ktech Telecommunications Inc

VendorKtech Telecommunications Inc
Short nameKtechTelecom
Prefix00:12:99/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range00:12:99:00:00:00 – 00:12:99:FF:FF:FF
Notations00:12:99:00:00:00
00-12-99-00-00-00
0012.9900.0000
001299000000

Frequently asked questions

Which vendor does MAC address 00:12:99 belong to?

MAC addresses starting with 00:12:99 are assigned to Ktech Telecommunications Inc according to the IEEE registry (prefix length 24 bits).

How many addresses does block 00:12:99 contain?

The block contains 16,777,216 addresses from 00:12:99:00:00:00 to 00:12:99:FF:FF:FF.

Is 00:12:99 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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