MAC prefix B0:27:CF
| Vendor | Extreme Networks, Inc. |
|---|---|
| Short name | ExtremeNetwo |
| Prefix | B0:27:CF/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | B0:27:CF:00:00:00 – B0:27:CF:FF:FF:FF |
| Notations | B0:27:CF:00:00:00B0-27-CF-00-00-00b027.cf00.0000B027CF000000 |
Frequently asked questions
Which vendor does MAC address B0:27:CF belong to?
MAC addresses starting with B0:27:CF are assigned to Extreme Networks, Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block B0:27:CF contain?
The block contains 16,777,216 addresses from B0:27:CF:00:00:00 to B0:27:CF:FF:FF:FF.
Is B0:27:CF 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 Extreme Networks, Inc. have?
Extreme Networks, Inc. holds 100 registered prefixes in total – the full list is on the vendor page.