turbo-geoip-country

This is an updated, performance-focused fork of node-geoip with only country data. Inspired by geoip-ultralight

This product uses GeoLite data created by MaxMind, available from https://www.maxmind.com/

💡 You need to create an account and obtain a license key to update the data yourself

How to install 🎁

npm install turbo-geoip-country --save

How to use it 🤖

const turboGeoip = require('turbo-geoip-country');

let ip = "207.97.227.239";
const country = turboGeoip.getCountry(ip);
console.log(country);
'US'

// It also works with anonymized IPs
ip = "207.97.227.0";
const country = turboGeoip.getCountry(ip);
console.log(country);
'US'

Why `turbo-geoip-country` ⚡️

🚀 Get country code (2 letter ISO-3166-1) by IPv4/IPv6
🔒 Works also with anonymized IP
🔥 Performance focused (see the section below)
✅ Less than 19 MB memory footprint (instead of +110 MB of node-geoip)
⏰ Data updated on 1st April 2025
📅 Using Calendar versioning
🌐 Production-ready, used by Ghostboard.io
⚡️ Dependencies updated and 5 of them removed
🤓 Code reduced

Performance 🔥

💡 Performance benchmarks are based on an average of 10 test runs on a 2018 Mac Mini (Intel i7, 6 cores, 12 threads, 16GB RAM)

Metric	node-geoip	turbo-geoip-country	delta
Startup time	47 ms	17 ms	63.83 % faster
Time to find 1 ip	7 μs/ip	4 μs/ip	42.86 % faster
IP lookups per second	139534.884 ip/s	250000.000 ip/s	44.19 % more ip/s

Test yourself node test/performance.js

Found 30000 (17030/12970) ips in 120ms (250000.000 ip/s) (4μs/ip)
Took 17 ms to startup

vs node-geoip node test/geo-lookup.js

Found 30000 (16917/13083) ips in 215ms (139534.884 ip/s) (7μs/ip)
Took 47 ms to startup

How to update the data 🔑

Log in into your MaxMind account
- 💡 You can create a MaxMind account here
Go to "GeoIP 2 / GeoLite 2" > Downloads
Download the "GeoLite2 Country: CSV Format" zip
Unzip and put the files into the input folder
Run npm run regenerate
- 💡 This takes about 1 minute or less

Tests ✅

Run npm t

> nodeunit test/tests.js


tests.js
✔ testLookup
✔ testDataIP4
✔ testDataIP6
✔ testUpdatedIps

OK: 7 assertions (19ms)

References

Copyright

License

There are two licenses for the code and data. See the LICENSE file for details.