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maxminddb

Pure Ruby GeoIP2 MaxMind DB reader, which doesn't require libmaxminddb.

You can find more information about the GeoIP2 database here.

Gem Version Build Status Code Climate

Installation

Add this line to your application's Gemfile:

gem 'maxminddb'

And then execute:

$ bundle

Or install it yourself as:

$ gem install maxminddb

Usage

db = MaxMindDB.new('./GeoLite2-City.mmdb')
ret = db.lookup('74.125.225.224')

ret.found? # => true
ret.country.name # => 'United States'
ret.country.name('zh-CN') # => '美国'
ret.country.iso_code # => 'US'
ret.city.name(:fr) # => 'Mountain View'
ret.location.latitude # => -122.0574
ret.to_hash # => {"city"=>{"geoname_id"=>5375480, "names"=>{"de"=>"Mountain View", "en"=>"Mountain View", "fr"=>"Mountain View", "ja"=>"マウンテンビュー", "ru"=>"Маунтин-Вью", "zh-CN"=>"芒廷维尤"}}, "continent"=>{"code"=>"NA", "geoname_id"=>6255149, "names"=>{"de"=>"Nordamerika", "en"=>"North America", "es"=>"Norteamérica", "fr"=>"Amérique du Nord", "ja"=>"北アメリカ", "pt-BR"=>"América do Norte", "ru"=>"Северная Америка", "zh-CN"=>"北美洲"}}, "country"=>{"geoname_id"=>6252001, "iso_code"=>"US", "names"=>{"de"=>"USA", "en"=>"United States", "es"=>"Estados Unidos", "fr"=>"États-Unis", "ja"=>"アメリカ合衆国", "pt-BR"=>"Estados Unidos", "ru"=>"Сша", "zh-CN"=>"美国"}}, "location"=>{"latitude"=>37.419200000000004, "longitude"=>-122.0574, "metro_code"=>807, "time_zone"=>"America/Los_Angeles"}, "postal"=>{"code"=>"94043"}, "registered_country"=>{"geoname_id"=>6252001, "iso_code"=>"US", "names"=>{"de"=>"USA", "en"=>"United States", "es"=>"Estados Unidos", "fr"=>"États-Unis", "ja"=>"アメリカ合衆国", "pt-BR"=>"Estados Unidos", "ru"=>"Сша", "zh-CN"=>"美国"}}, "subdivisions"=>[{"geoname_id"=>5332921, "iso_code"=>"CA", "names"=>{"de"=>"Kalifornien", "en"=>"California", "es"=>"California", "fr"=>"Californie", "ja"=>"カリフォルニア州", "pt-BR"=>"Califórnia", "ru"=>"Калифорния", "zh-CN"=>"加利福尼亚州"}}]}

Even if no result could be found, you can ask for the attributes without guarding for nil:

db = MaxMindDB.new('./GeoLite2-City.mmdb')
ret = db.lookup('127.0.0.1')
ret.found? # => false
ret.country.name # => nil
ret.to_hash # => {}

It's also possible to access the database metadata.

db = MaxMindDB.new('./GeoLite2-City.mmdb')
db.metadata['build_epoch'] # => 1493762948
db.metadata # => {"binary_format_major_version"=>2, "binary_format_minor_version"=>0, "build_epoch"=>1493762948, "database_type"=>"GeoLite2-City", "description"=>{"en"=>"GeoLite2 City database"}, "ip_version"=>6, "languages"=>["de", "en", "es", "fr", "ja", "pt-BR", "ru", "zh-CN"], "node_count"=>3678850, "record_size"=>28}

Contributing

  1. Fork it ( http://github.com/yhirose/maxminddb/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

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Pure Ruby GeoIP2 MaxMind DB reader.

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