MAC prefix 58:20:8A:9

Suzhou Ruilisi Technology Ltd.

VendorSuzhou Ruilisi Technology Ltd.
Short nameSuzhouRuilis
Prefix58:20:8A:9/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range58:20:8A:90:00:00 – 58:20:8A:9F:FF:FF
Notations58:20:8A:90:00:00
58-20-8A-90-00-00
5820.8a90.0000
58208A900000

Frequently asked questions

Which vendor does MAC address 58:20:8A:9 belong to?

MAC addresses starting with 58:20:8A:9 are assigned to Suzhou Ruilisi Technology Ltd. according to the IEEE registry (prefix length 28 bits).

How many addresses does block 58:20:8A:9 contain?

The block contains 1,048,576 addresses from 58:20:8A:90:00:00 to 58:20:8A:9F:FF:FF.

Is 58:20:8A:9 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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