iprange-rs is a Rust library for managing IP ranges.
It provides fast adding and removing operations.
It also provides merge, intersect and exclude methods
that enable you to manipulate it like a set.
Of course, you can test whether an IP address is in an IpRange.
See the documentation for details.
extern crate iprange;
extern crate ipnet;
use std::net::Ipv4Addr;
use iprange::IpRange;
use ipnet::Ipv4Net;
fn main() {
let ip_range: IpRange<Ipv4Net> = ["10.0.0.0/8", "172.16.0.0/16", "192.168.1.0/24"]
.iter()
.map(|s| s.parse().unwrap())
.collect();
assert!(ip_range.contains(&"172.16.32.1".parse::<Ipv4Addr>().unwrap()));
assert!(ip_range.contains(&"192.168.1.1".parse::<Ipv4Addr>().unwrap()));
}iprange-rs stores the IP networks in a radix trie.
This allows us to store and lookup IP information quickly.
There is no Rust alternative to this crate, so I decide to compare it to those written in Go.
On my computer, here is the benchmark result for Go implementations:
BenchmarkIPv4Contains-8 500000 2545 ns/op
BenchmarkIPv4Contains_Radix-8 200000 6960 ns/op
BenchmarkIPv4Contains_NRadix-8 1000000 1828 ns/op
BenchmarkIPv6Contains-8 300000 3989 ns/op
BenchmarkIPv6Contains_Radix-8 200000 6818 ns/op
BenchmarkIPv6Contains_NRadix-8 500000 3039 ns/op
And below are the results of the equivalent Rust program using iprange-rs:
test test_ipv4_against_go ... bench: 751 ns/iter (+/- 5)
test test_ipv6_against_go ... bench: 2,500 ns/iter (+/- 20)
We can see the Rust one using iprange-rs is 2.4x faster than
even the fastest Go implementation when dealing with IPv4 and is 1.2x faster with IPv6.
iprange-rs is licensed under the MIT license.