MAC prefix C8:87:3B
| Vendor | Net Optics |
|---|---|
| Short name | NetOptics |
| Prefix | C8:87:3B/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | C8:87:3B:00:00:00 – C8:87:3B:FF:FF:FF |
| Notations | C8:87:3B:00:00:00C8-87-3B-00-00-00c887.3b00.0000C8873B000000 |
Frequently asked questions
Which vendor does MAC address C8:87:3B belong to?
MAC addresses starting with C8:87:3B are assigned to Net Optics according to the IEEE registry (prefix length 24 bits).
How many addresses does block C8:87:3B contain?
The block contains 16,777,216 addresses from C8:87:3B:00:00:00 to C8:87:3B:FF:FF:FF.
Is C8:87:3B 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 Net Optics have?
Net Optics holds 2 registered prefixes in total – the full list is on the vendor page.