Update 'README.md'

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Domeniko Gentner 4 years ago
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# oui
## oui.py
Little program to lookup the vendor string for MAC addresses.
The first 3 octetts of a MAC address denote the manufacturer of the network card.
I use this at work, when analyzing unknown or unwanted traffic, to know who the culprit may be.
Usage:
python3 oui.py MAC [--force] [--file /var/tmp/oui.txt]
--force - Forces the download of the file, ignoring the one week caching
--file - Overrides the storage location and also uses an existing file.
This project is in the public domain.
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<p align="center">
<a href='https://ko-fi.com/L3L31HXRQ' target='_blank'><img height='36' style='border:0;height:36px;' src='https://cdn.ko-fi.com/cdn/kofi2.png?v=2' border='0' alt='Buy Me a Coffee at ko-fi.com' /></a>
</p>
MAC address vendor lookup via the official database
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