cidr topic
ip2location-csv-converter
This PHP script converts IP2Location CSV database into IP range or CIDR format.
as-networks
Get all CIDR networks contained in an autonomous system
country-ip-blocks
CIDR country-level IP data, straight from the Regional Internet Registries, updated hourly. This is a read-only mirror.
cidr-merger
A simple command line tool to merge ip/ip cidr/ip range, supports IPv4/IPv6
ipnetwork
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...
tutti-quanti-shelf
Collection of miscellaneous developer-oriented utilities wrapped into one single app, built with Electron.
cidranger
Fast IP to CIDR lookup in Golang
cidr.xyz
Web-based CIDR / netmask / IP address visualizer