MAC prefix F8:20:55
Green Information System
| Vendor | Green Information System |
|---|---|
| Short name | GreenInforma |
| Prefix | F8:20:55/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | F8:20:55:00:00:00 – F8:20:55:FF:FF:FF |
| Notations | F8:20:55:00:00:00F8-20-55-00-00-00f820.5500.0000F82055000000 |
Frequently asked questions
Which vendor does MAC address F8:20:55 belong to?
MAC addresses starting with F8:20:55 are assigned to Green Information System according to the IEEE registry (prefix length 24 bits).
How many addresses does block F8:20:55 contain?
The block contains 16,777,216 addresses from F8:20:55:00:00:00 to F8:20:55:FF:FF:FF.
Is F8:20:55 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.