MAC prefix 64:33:B5:B

electroCore Inc.

VendorelectroCore Inc.
Short nameelectroCore
Prefix64:33:B5:B/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range64:33:B5:B0:00:00 – 64:33:B5:BF:FF:FF
Notations64:33:B5:B0:00:00
64-33-B5-B0-00-00
6433.b5b0.0000
6433B5B00000

Frequently asked questions

Which vendor does MAC address 64:33:B5:B belong to?

MAC addresses starting with 64:33:B5:B are assigned to electroCore Inc. according to the IEEE registry (prefix length 28 bits).

How many addresses does block 64:33:B5:B contain?

The block contains 1,048,576 addresses from 64:33:B5:B0:00:00 to 64:33:B5:BF:FF:FF.

Is 64:33:B5:B 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.

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