MAC prefix B4:DB:91

Celestica Platform and Cloud Solution Malaysia Sdn Bhd

VendorCelestica Platform and Cloud Solution Malaysia Sdn Bhd
Short nameCelesticaPla
PrefixB4:DB:91/24
Block typeMA-L (/24, 16,777,216 addresses)
Address rangeB4:DB:91:00:00:00 – B4:DB:91:FF:FF:FF
NotationsB4:DB:91:00:00:00
B4-DB-91-00-00-00
b4db.9100.0000
B4DB91000000

Frequently asked questions

Which vendor does MAC address B4:DB:91 belong to?

MAC addresses starting with B4:DB:91 are assigned to Celestica Platform and Cloud Solution Malaysia Sdn Bhd according to the IEEE registry (prefix length 24 bits).

How many addresses does block B4:DB:91 contain?

The block contains 16,777,216 addresses from B4:DB:91:00:00:00 to B4:DB:91:FF:FF:FF.

Is B4:DB:91 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 Celestica Platform and Cloud Solution Malaysia Sdn Bhd have?

Celestica Platform and Cloud Solution Malaysia Sdn Bhd holds 11 registered prefixes in total – the full list is on the vendor page.

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