OUI (Organizationally Unique Identifiers)

Usage

>OUI.find 'AA-BB-CC'
=> nil
> OUI.find '00:0c:85'
=> {
              :id => 3205,
    :organization => "CISCO SYSTEMS, INC.",
        :address1 => "170 W. TASMAN DRIVE",
        :address2 => "M/S SJA-2",
        :address3 => "SAN JOSE CA 95134-1706",
         :country => "UNITED STATES"
}

Installation

Gem (insecure installation)

[sudo] gem install oui-offline

Gem (secure installation)

[sudo] gem cert --add <(curl -L https://gist.github.com/steakknife/5333881/raw/gem-public_cert.pem) # add my cert (do once)
[sudo] gem install -P HighSecurity oui-offline

See also: waxseal

Bundler Installation

gem 'oui-offline'

Manual Installation

cd ${TMP_DIR-/tmp}
git clone https://github.com/steakknife/oui
cd oui
gem build *.gemspec
gem install *.gem

Lookup an OUI from CLI

oui lookup ABCDEF

Data

Database sourced from the public IEEE list, but it can be rebuilt anytime by running oui update or OUI.update_db

License

MIT