MAC prefix 40:40:A7
| Vendor | Sony Corporation |
|---|---|
| Short name | Sony |
| Prefix | 40:40:A7/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 40:40:A7:00:00:00 – 40:40:A7:FF:FF:FF |
| Notations | 40:40:A7:00:00:0040-40-A7-00-00-004040.a700.00004040A7000000 |
Frequently asked questions
Which vendor does MAC address 40:40:A7 belong to?
MAC addresses starting with 40:40:A7 are assigned to Sony Corporation according to the IEEE registry (prefix length 24 bits).
How many addresses does block 40:40:A7 contain?
The block contains 16,777,216 addresses from 40:40:A7:00:00:00 to 40:40:A7:FF:FF:FF.
Is 40:40:A7 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 Sony Corporation have?
Sony Corporation holds 86 registered prefixes in total – the full list is on the vendor page.