GeoIP2 Reader for Rust

This library reads MaxMind GeoIP2 databases

Usage

[dependencies]
geoip2 = "0.1.7"

See examples/lookup.rs for a basic example.

Benchmarks required nightly Rust.

Place GeoIP2-Country.mmdb and GeoIP2-City.mmdb in the testdata folder, then run:

cargo bench

Tested on paid DB on cargo 1.56.0-nightly, Intel i7-7700, Debian 9.1.

default

city      2,175 ns/iter (+/- 124)
country   1,123 ns/iter (+/- 111)

unsafe-str

city      1,113 ns/iter (+/- 76)
country     524 ns/iter (+/- 31)

default

city      4,224 ns/iter (+/- 153)
country   2,270 ns/iter (+/- 158)

unsafe-str-decode

city      3,266 ns/iter (+/- 191)
country   1,802 ns/iter (+/- 75)