MAC prefix 90:88:A9:2

合肥乾盾智能科技有限公司

Vendor合肥乾盾智能科技有限公司
Prefix90:88:A9:2/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range90:88:A9:20:00:00 – 90:88:A9:2F:FF:FF
Notations90:88:A9:20:00:00
90-88-A9-20-00-00
9088.a920.0000
9088A9200000

Frequently asked questions

Which vendor does MAC address 90:88:A9:2 belong to?

MAC addresses starting with 90:88:A9:2 are assigned to 合肥乾盾智能科技有限公司 according to the IEEE registry (prefix length 28 bits).

How many addresses does block 90:88:A9:2 contain?

The block contains 1,048,576 addresses from 90:88:A9:20:00:00 to 90:88:A9:2F:FF:FF.

Is 90:88:A9:2 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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