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113 packages found
> Calculate minimum host bits needed for desired number of hosts with account for network address and broadcast address > > **minHostBits(256) // 9
Access controls (ACLs) by location as a Connect middleware
Module for working with CIDR (v4, v6), enabling `import` syntax
Checks if a given IP address is part of a given CIDR block.
IPv6/IPv4 address parsing and manipulation
network cidr utility
parse and manipulate network addresses
A package to calculate subnet masks.
[![view on npm](http://img.shields.io/npm/v/example.svg)](https://www.npmjs.org/package/example)
Der IP Subnet Rechner ermöglicht Subnet Berechnungen mit Netzwerk-Klasse, IP-Adresse und Subnet-Maske
Check if subnet overlapped.
Utility for expanding CIDR blocks into lists of IP addresses
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.
A simple module to check if CloudFlare is connecting and get the real IP address.
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.
Takes an IPv4 CIDR network address and returns network size, broadcast address, subnet mask, start IP, end IP, and network address
CIDR Calculations