MAC prefix CC:3B:FB
| Vendor | Ring LLC |
|---|---|
| Short name | Ring |
| Prefix | CC:3B:FB/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | CC:3B:FB:00:00:00 – CC:3B:FB:FF:FF:FF |
| Notations | CC:3B:FB:00:00:00CC-3B-FB-00-00-00cc3b.fb00.0000CC3BFB000000 |
Frequently asked questions
Which vendor does MAC address CC:3B:FB belong to?
MAC addresses starting with CC:3B:FB are assigned to Ring LLC according to the IEEE registry (prefix length 24 bits).
How many addresses does block CC:3B:FB contain?
The block contains 16,777,216 addresses from CC:3B:FB:00:00:00 to CC:3B:FB:FF:FF:FF.
Is CC:3B:FB 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.