MAC prefix 18:BC:57
| Vendor | ADVA Optical Networking Ltd. |
|---|---|
| Short name | ADVAOpticalN |
| Prefix | 18:BC:57/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 18:BC:57:00:00:00 – 18:BC:57:FF:FF:FF |
| Notations | 18:BC:57:00:00:0018-BC-57-00-00-0018bc.5700.000018BC57000000 |
Frequently asked questions
Which vendor does MAC address 18:BC:57 belong to?
MAC addresses starting with 18:BC:57 are assigned to ADVA Optical Networking Ltd. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 18:BC:57 contain?
The block contains 16,777,216 addresses from 18:BC:57:00:00:00 to 18:BC:57:FF:FF:FF.
Is 18:BC:57 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 ADVA Optical Networking Ltd. have?
ADVA Optical Networking Ltd. holds 8 registered prefixes in total – the full list is on the vendor page.