Note that you should remove any around an If you have an IP address in dotted quad notation, IPv6 colon notation, or a 32 bit unsigned integer (treatedĪs an IPv4 address), pass it to the lookup method. Startup may take up to 200ms while it reads into memory and indexes data files. All blocking file IO is done at startup time, so all runtimeĬalls are executed in-memory and are fast. geoip-lite stores all data in RAM in order to be fast. It is known to fail on on a Digital Ocean or AWS micro instance. (Replace YOUR_LICENSE_KEY with your license key obtained from ) Run cd node_modules/geoip-lite & npm run-script updatedb license_key=YOUR_LICENSE_KEY to update the data files. synopsis var geoip = require('geoip-lite') IPv4 addresses take about 6 microseconds, while IPv6 addresses take about 30 microseconds. On average, an IP to Location lookup should take 20 microseconds on a Macbook Pro. Scope, it is about 40% faster at doing lookups. It is not as fully featured as geoip however, by reducing its Geoip-lite on the other hand is a fully JavaScript implementation. However, it requires libgeoip to be installed on your system. The geoip package is fully featured and supports everything that the MaxMind APIs support,
So why are we called geoip-lite? npm already has a geoip package which provides a JavaScriptīinding around libgeoip from MaxMind. Really hard to get libgeoip built for Mac OSX without using the library from MacPorts. My prime motivator was the fact that it was I was really aiming for a fast JavaScript native implementation for geomapping of IPs. Information, city, region and postal code lookups are only supported for IPv4. The geoip module uses thisīinary file to lookup IP addresses and return the country, region and city that it maps to.īoth IPv4 and IPv6 addresses are supported, however since the GeoLite IPv6 database does not currently contain any city or region A converter script converts the CSV files from MaxMind intoĪn internal binary format (note that this is different from the binary data format provided by MaxMind). GeoIP-lite instead attempts to be a fully native JavaScript library. One would typically write a wrapper around their C API to get access to this data in other languages (like JavaScript). MaxMind provides a set of data files for IP to Geo mapping along with opensource libraries to parse and lookup these data files. This product includes GeoLite data created by MaxMind, available from A native NodeJS API for the GeoLite data from MaxMind.
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