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binarymax / parseCIDRRange.js

Last active July 30, 2021 11:03

JavaScript function to parse a CIDR Range string into beginning and ending IPv4 Addresses

	//MIT License
	//Copyright (c) 2013, Max Irwin

	//Parses a CIDR Range into beginning and ending IPv4 Addresses
	//For example: '10.0.0.0/24'
	//Returns ['10.0.0.0', '10.0.0.255']
	var parseCIDR = function(CIDR) {

	//Beginning IP address
	var beg = CIDR.substr(CIDR,CIDR.indexOf('/'));