MAC prefix CC:5D:57
Information System Research Institute,Inc.
| Vendor | Information System Research Institute,Inc. |
|---|---|
| Short name | InformationS |
| Prefix | CC:5D:57/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | CC:5D:57:00:00:00 – CC:5D:57:FF:FF:FF |
| Notations | CC:5D:57:00:00:00CC-5D-57-00-00-00cc5d.5700.0000CC5D57000000 |
Frequently asked questions
Which vendor does MAC address CC:5D:57 belong to?
MAC addresses starting with CC:5D:57 are assigned to Information System Research Institute,Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block CC:5D:57 contain?
The block contains 16,777,216 addresses from CC:5D:57:00:00:00 to CC:5D:57:FF:FF:FF.
Is CC:5D:57 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.