MAC prefix 90:31:4B
| Vendor | AltoBeam Inc. |
|---|---|
| Short name | AltoBeam |
| Prefix | 90:31:4B/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 90:31:4B:00:00:00 – 90:31:4B:FF:FF:FF |
| Notations | 90:31:4B:00:00:0090-31-4B-00-00-009031.4b00.000090314B000000 |
Frequently asked questions
Which vendor does MAC address 90:31:4B belong to?
MAC addresses starting with 90:31:4B are assigned to AltoBeam Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 90:31:4B contain?
The block contains 16,777,216 addresses from 90:31:4B:00:00:00 to 90:31:4B:FF:FF:FF.
Is 90:31:4B 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 AltoBeam Inc. have?
AltoBeam Inc. holds 59 registered prefixes in total – the full list is on the vendor page.