MAC prefix CC:EF:48
| Vendor | Cisco Systems, Inc |
|---|---|
| Short name | Cisco |
| Prefix | CC:EF:48/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | CC:EF:48:00:00:00 – CC:EF:48:FF:FF:FF |
| Notations | CC:EF:48:00:00:00CC-EF-48-00-00-00ccef.4800.0000CCEF48000000 |
Frequently asked questions
Which vendor does MAC address CC:EF:48 belong to?
MAC addresses starting with CC:EF:48 are assigned to Cisco Systems, Inc according to the IEEE registry (prefix length 24 bits).
How many addresses does block CC:EF:48 contain?
The block contains 16,777,216 addresses from CC:EF:48:00:00:00 to CC:EF:48:FF:FF:FF.
Is CC:EF:48 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 Cisco Systems, Inc have?
Cisco Systems, Inc holds 1,258 registered prefixes in total – the full list is on the vendor page.