MAC prefix 78:81:CE
China Mobile Iot Limited company
| Vendor | China Mobile Iot Limited company |
|---|---|
| Short name | ChinaMobileI |
| Prefix | 78:81:CE/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 78:81:CE:00:00:00 – 78:81:CE:FF:FF:FF |
| Notations | 78:81:CE:00:00:0078-81-CE-00-00-007881.ce00.00007881CE000000 |
Frequently asked questions
Which vendor does MAC address 78:81:CE belong to?
MAC addresses starting with 78:81:CE are assigned to China Mobile Iot Limited company according to the IEEE registry (prefix length 24 bits).
How many addresses does block 78:81:CE contain?
The block contains 16,777,216 addresses from 78:81:CE:00:00:00 to 78:81:CE:FF:FF:FF.
Is 78:81:CE 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 China Mobile Iot Limited company have?
China Mobile Iot Limited company holds 30 registered prefixes in total – the full list is on the vendor page.