MAC prefix 9C:43:1E:6

R-S-I Elektrotechnik GmbH CO KG

VendorR-S-I Elektrotechnik GmbH CO KG
Short nameRSIElektrote
Prefix9C:43:1E:6/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range9C:43:1E:60:00:00 – 9C:43:1E:6F:FF:FF
Notations9C:43:1E:60:00:00
9C-43-1E-60-00-00
9c43.1e60.0000
9C431E600000

Frequently asked questions

Which vendor does MAC address 9C:43:1E:6 belong to?

MAC addresses starting with 9C:43:1E:6 are assigned to R-S-I Elektrotechnik GmbH CO KG according to the IEEE registry (prefix length 28 bits).

How many addresses does block 9C:43:1E:6 contain?

The block contains 1,048,576 addresses from 9C:43:1E:60:00:00 to 9C:43:1E:6F:FF:FF.

Is 9C:43:1E:6 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.

Which other MAC prefixes does R-S-I Elektrotechnik GmbH CO KG have?

R-S-I Elektrotechnik GmbH CO KG holds 2 registered prefixes in total – the full list is on the vendor page.

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