MAC prefix CC:71:90
Vietnam Post And Telecommunication Industry Technology Joint Stock Company
| Vendor | Vietnam Post And Telecommunication Industry Technology Joint Stock Company |
|---|---|
| Short name | VietnamPostA |
| Prefix | CC:71:90/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | CC:71:90:00:00:00 – CC:71:90:FF:FF:FF |
| Notations | CC:71:90:00:00:00CC-71-90-00-00-00cc71.9000.0000CC7190000000 |
Frequently asked questions
Which vendor does MAC address CC:71:90 belong to?
MAC addresses starting with CC:71:90 are assigned to Vietnam Post And Telecommunication Industry Technology Joint Stock Company according to the IEEE registry (prefix length 24 bits).
How many addresses does block CC:71:90 contain?
The block contains 16,777,216 addresses from CC:71:90:00:00:00 to CC:71:90:FF:FF:FF.
Is CC:71:90 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.