MAC prefix AC:9F:C3
| Vendor | Ring LLC |
|---|---|
| Short name | Ring |
| Prefix | AC:9F:C3/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | AC:9F:C3:00:00:00 – AC:9F:C3:FF:FF:FF |
| Notations | AC:9F:C3:00:00:00AC-9F-C3-00-00-00ac9f.c300.0000AC9FC3000000 |
Frequently asked questions
Which vendor does MAC address AC:9F:C3 belong to?
MAC addresses starting with AC:9F:C3 are assigned to Ring LLC according to the IEEE registry (prefix length 24 bits).
How many addresses does block AC:9F:C3 contain?
The block contains 16,777,216 addresses from AC:9F:C3:00:00:00 to AC:9F:C3:FF:FF:FF.
Is AC:9F:C3 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 Ring LLC have?
Ring LLC holds 13 registered prefixes in total – the full list is on the vendor page.