MAC prefix A4:59:D3:4
| Vendor | Gre System Inc. |
|---|---|
| Short name | GreSystem |
| Prefix | A4:59:D3:4/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | A4:59:D3:40:00:00 – A4:59:D3:4F:FF:FF |
| Notations | A4:59:D3:40:00:00A4-59-D3-40-00-00a459.d340.0000A459D3400000 |
Frequently asked questions
Which vendor does MAC address A4:59:D3:4 belong to?
MAC addresses starting with A4:59:D3:4 are assigned to Gre System Inc. according to the IEEE registry (prefix length 28 bits).
How many addresses does block A4:59:D3:4 contain?
The block contains 1,048,576 addresses from A4:59:D3:40:00:00 to A4:59:D3:4F:FF:FF.
Is A4:59:D3:4 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 Gre System Inc. have?
Gre System Inc. holds 2 registered prefixes in total – the full list is on the vendor page.