MAC prefix 70:B3:D5:A8:D

Code Blue Corporation

VendorCode Blue Corporation
Short nameCodeBlue
Prefix70:B3:D5:A8:D/36
Block typeMA-S (/36, 4,096 addresses)
Address range70:B3:D5:A8:D0:00 – 70:B3:D5:A8:DF:FF
Notations70:B3:D5:A8:D0:00
70-B3-D5-A8-D0-00
70b3.d5a8.d000
70B3D5A8D000

Frequently asked questions

Which vendor does MAC address 70:B3:D5:A8:D belong to?

MAC addresses starting with 70:B3:D5:A8:D are assigned to Code Blue Corporation according to the IEEE registry (prefix length 36 bits).

How many addresses does block 70:B3:D5:A8:D contain?

The block contains 4,096 addresses from 70:B3:D5:A8:D0:00 to 70:B3:D5:A8:DF:FF.

Is 70:B3:D5:A8:D 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 Code Blue Corporation have?

Code Blue Corporation holds 9 registered prefixes in total – the full list is on the vendor page.

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