ZMap is a fast single packet network scanner designed for Internet-wide network surveys.

Smart DNS proxy to watch Netflix

The BGP swiss army knife of networking

🚩 自动更新域名解析到本机IP(支持dnspod,阿里DNS,CloudFlare,华为云,DNSCOM...)

Network utility for sending / receiving TCP, UDP, SSL

Enterprise Network Flow Collector (IPFIX, sFlow, Netflow) from Verizon Media

Dynamic DNS service

goscan is a simple and efficient IPv4 network scanner that discovers all active devices on local subnet.

A network address manipulation library for Python

Fork of DDoS Deflate with fixes, improvements and new features.

Reliable UDP networking library

Highly portable C system library: threads and synchronization primitives, sockets (TCP, UDP, SCTP), IPv4 and IPv6, IPC, hash functions (MD5, SHA-1, SHA-2, SHA-3, GOST), binary trees (RB, AVL) and more. Native code performance.

TCP/IP networking stack in pure OCaml, using the Mirage platform libraries. Includes IPv4/6, ICMP, and UDP/TCP support.

💻 a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript

BGP Dashboard and Monitoring Web Application

Managed C# abstraction of GameNetworkingSockets library by Valve Software

OpenBSD Router Boilerplate

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

Socket and Networking Library using msgpack.org[C++11]

Example config.boot files for UBNT EdgeRouters with Google, Comcast, and Charter

Java library for handling IP addresses and subnets, both IPv4 and IPv6

PHP Library for manipulating network addresses (IPv4 and IPv6)

SIIT and NAT64 for Linux

Useful tools for IP manipulations

Tool made to automate tasks of pentesting.

nftables load balancer

用于搭建高性能、全异步、树形结构的BUS消息系统的跨平台框架库

A library for fast IP address lookup in Python.