MAC prefix C4:58:78

AltoBeam Inc.

VendorAltoBeam Inc.
Short nameAltoBeam
PrefixC4:58:78/24
Block typeMA-L (/24, 16,777,216 addresses)
Address rangeC4:58:78:00:00:00 – C4:58:78:FF:FF:FF
NotationsC4:58:78:00:00:00
C4-58-78-00-00-00
c458.7800.0000
C45878000000

Frequently asked questions

Which vendor does MAC address C4:58:78 belong to?

MAC addresses starting with C4:58:78 are assigned to AltoBeam Inc. according to the IEEE registry (prefix length 24 bits).

How many addresses does block C4:58:78 contain?

The block contains 16,777,216 addresses from C4:58:78:00:00:00 to C4:58:78:FF:FF:FF.

Is C4:58:78 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.

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