MAC prefix B4:C7:99
| Vendor | Extreme Networks, Inc. |
|---|---|
| Short name | ExtremeNetwo |
| Prefix | B4:C7:99/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | B4:C7:99:00:00:00 – B4:C7:99:FF:FF:FF |
| Notations | B4:C7:99:00:00:00B4-C7-99-00-00-00b4c7.9900.0000B4C799000000 |
Frequently asked questions
Which vendor does MAC address B4:C7:99 belong to?
MAC addresses starting with B4:C7:99 are assigned to Extreme Networks, Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block B4:C7:99 contain?
The block contains 16,777,216 addresses from B4:C7:99:00:00:00 to B4:C7:99:FF:FF:FF.
Is B4:C7:99 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.