MAC prefix AC:B1:81
Belden Mooresville
| Vendor | Belden Mooresville |
|---|---|
| Short name | BeldenMoores |
| Prefix | AC:B1:81/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | AC:B1:81:00:00:00 – AC:B1:81:FF:FF:FF |
| Notations | AC:B1:81:00:00:00AC-B1-81-00-00-00acb1.8100.0000ACB181000000 |
Frequently asked questions
Which vendor does MAC address AC:B1:81 belong to?
MAC addresses starting with AC:B1:81 are assigned to Belden Mooresville according to the IEEE registry (prefix length 24 bits).
How many addresses does block AC:B1:81 contain?
The block contains 16,777,216 addresses from AC:B1:81:00:00:00 to AC:B1:81:FF:FF:FF.
Is AC:B1:81 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.