Utility program to perform multiple operations for a given subnet/CIDR ranges.

Fast IP to CIDR lookup in Golang

Garbage collector-sensitive patricia tree for IP/CIDR tagging

A simple command line tool to merge ip/ip cidr/ip range, supports IPv4/IPv6

Simplifies IPv4/IPv6 CIDR network prefix management with counting, overlap checking, explanation, and subdivision.

A library for working with IP addresses and networks in Go

CLI tool for CIDR range operations (check, generate)

golang to calculate CIDR network

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

spk aka spritzgebaeck: A small OSINT/Recon tool to find CIDRs that belong to a specific organization.

The Balanced Routing Table is an adaptation of D. Knuth's ART algorithm combined with popcount level compression and backtracking. It is somewhat slower than ART, but requires considerably less memory.

get more IP details from CIDR range

Enriching MMDB files with your own data using Go.

Package extnetip extends the stdlib with a few missing but important auxiliary functions for converting IP-prefixes to IP-ranges and vice versa.

An IP source restriction middleware by specifying allowed source CIDR notations.

fast IP to CIDR lookup, longest prefix match in golang

go implementation of ipcalc

Go package to check if an IP address is a bogon (internal) IP address

CIDR calculator with IPv6 support

简单的内网端口扫描器, pingo