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The BGP swiss army knife of networking
A network test utility for sending / receiving TCP and UDP packets
A network address manipulation library for Python
Retrieve and parse whois data for IPv4 and IPv6 addresses
Socket and Networking Library using msgpack.org[C++11]
Enterprise Network Flow Collector (IPFIX + sFlow)
PHP Library for manipulating network addresses (IPv4 and IPv6)
A library for fast IP address lookup in Python
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.
Go bindings for radix tree library for fast subnet (IPv4 and IPv6) lookups
Packetgraph library is a collection of network bricks you can connect to form a network graph.
Immutable value object for IPv4 and IPv6 addresses, including helper methods and Doctrine support.