MAC prefix 70:5D:CC
| Vendor | EFM Networks |
|---|---|
| Short name | EFMNetworks |
| Prefix | 70:5D:CC/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 70:5D:CC:00:00:00 – 70:5D:CC:FF:FF:FF |
| Notations | 70:5D:CC:00:00:0070-5D-CC-00-00-00705d.cc00.0000705DCC000000 |
Frequently asked questions
Which vendor does MAC address 70:5D:CC belong to?
MAC addresses starting with 70:5D:CC are assigned to EFM Networks according to the IEEE registry (prefix length 24 bits).
How many addresses does block 70:5D:CC contain?
The block contains 16,777,216 addresses from 70:5D:CC:00:00:00 to 70:5D:CC:FF:FF:FF.
Is 70:5D:CC 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 EFM Networks have?
EFM Networks holds 8 registered prefixes in total – the full list is on the vendor page.