IPNetwork command line and C# library take care of complex network, IP, IPv4, IPv6, netmask, CIDR, subnet, subnetting, supernet, and supernetting calculation for .NET developers. It works with IPv4 as well as IPv6, is written in C#, has a light and clean API, and is fully unit-tested
A TypeScript/JavaScript library for working with ASN, IPv4, and IPv6 numbers. It provides representations of these internet protocol numbers with the ability to perform various IP related operations like parsing, validating etc. on them
A high-performance C library for Longest Prefix Match (LPM) lookups, supporting both a multi-bit trie of 8-bit stride for IPv4 and a wide multi-level 16-bit stride for IPv6, featuring runtime dynamic SIMD dispatching (SSE2, SSE4.2, AVX, AVX2, AVX512F) for optimal performance and throughput on any CPU architecture.