MAC prefix 3C:EF:A5
Cloud Network Technology Singapore Pte. Ltd.
| Vendor | Cloud Network Technology Singapore Pte. Ltd. |
|---|---|
| Short name | CloudNetwork |
| Prefix | 3C:EF:A5/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 3C:EF:A5:00:00:00 – 3C:EF:A5:FF:FF:FF |
| Notations | 3C:EF:A5:00:00:003C-EF-A5-00-00-003cef.a500.00003CEFA5000000 |
Frequently asked questions
Which vendor does MAC address 3C:EF:A5 belong to?
MAC addresses starting with 3C:EF:A5 are assigned to Cloud Network Technology Singapore Pte. Ltd. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 3C:EF:A5 contain?
The block contains 16,777,216 addresses from 3C:EF:A5:00:00:00 to 3C:EF:A5:FF:FF:FF.
Is 3C:EF:A5 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 Cloud Network Technology Singapore Pte. Ltd. have?
Cloud Network Technology Singapore Pte. Ltd. holds 61 registered prefixes in total – the full list is on the vendor page.