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112 packages found
Module for working with CIDR (v4, v6), enabling `import` syntax
> Calculate minimum host bits needed for desired number of hosts with account for network address and broadcast address > > **minHostBits(256) // 9
Utility for filtering traffic using secret lists of IP ranges
Access controls (ACLs) by location as a Connect middleware
network cidr utility
parse and manipulate network addresses
A package to calculate subnet masks.
Der IP Subnet Rechner ermöglicht Subnet Berechnungen mit Netzwerk-Klasse, IP-Adresse und Subnet-Maske
IPv6/IPv4 address parsing and manipulation
[](https://www.npmjs.org/package/example)
Check if subnet overlapped.
This is a NPM library that allows you to transform a subset of denied CIDRs within a larger CIDR into a list of allowed CIDRs.
Utility for expanding CIDR blocks into lists of IP addresses
A simple module to check if CloudFlare is connecting and get the real IP address.
IPlib.js is a JavaScript library very inspired by the IPlib python module useful to convert amongst many different notations and to manage couples of address/netmask in the CIDR notation.
Simple utility to convert either CIDR notation or two IP addresses to an array of the range of IP addresses
CIDR Calculations