MAC prefix 8C:1F:64:C0:9
| Vendor | S.E.I. Co.,Ltd. |
|---|---|
| Short name | SEI |
| Prefix | 8C:1F:64:C0:9/36 |
| Block type | MA-S (/36, 4,096 addresses) |
| Address range | 8C:1F:64:C0:90:00 – 8C:1F:64:C0:9F:FF |
| Notations | 8C:1F:64:C0:90:008C-1F-64-C0-90-008c1f.64c0.90008C1F64C09000 |
Frequently asked questions
Which vendor does MAC address 8C:1F:64:C0:9 belong to?
MAC addresses starting with 8C:1F:64:C0:9 are assigned to S.E.I. Co.,Ltd. according to the IEEE registry (prefix length 36 bits).
How many addresses does block 8C:1F:64:C0:9 contain?
The block contains 4,096 addresses from 8C:1F:64:C0:90:00 to 8C:1F:64:C0:9F:FF.
Is 8C:1F:64:C0:9 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 S.E.I. Co.,Ltd. have?
S.E.I. Co.,Ltd. holds 4 registered prefixes in total – the full list is on the vendor page.