MAC prefix 44:37:19
2 Save Energy Ltd
| Vendor | 2 Save Energy Ltd |
|---|---|
| Short name | 2SaveEnergy |
| Prefix | 44:37:19/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 44:37:19:00:00:00 – 44:37:19:FF:FF:FF |
| Notations | 44:37:19:00:00:0044-37-19-00-00-004437.1900.0000443719000000 |
Frequently asked questions
Which vendor does MAC address 44:37:19 belong to?
MAC addresses starting with 44:37:19 are assigned to 2 Save Energy Ltd according to the IEEE registry (prefix length 24 bits).
How many addresses does block 44:37:19 contain?
The block contains 16,777,216 addresses from 44:37:19:00:00:00 to 44:37:19:FF:FF:FF.
Is 44:37:19 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.