An IP range parser for JavaScript
IP ranges must contain exactly 4 fields, separated by periods. These fields may contain:
- a number from 0 to 255
- a wildcard (*) character
- an inclusive range of two numbers, separated by hyphen (eg 0-100)
192.168.1.10
192.168.1.*
192.168.1.1-100
192.168.1-10.*
190-193.168.1.*
var ip = require('ip-range')
ip.range('192.168.0.*').valid //true
ip.range('a.0.0.1').errors //[error in octet 1, invalid octet spec: 'a']
ip.range('10.0.0.1-10').contains('10.0.0.3', '10.0.0.10') //true
ip.range('10.0.0.1-10', '10.0.0.20-30').contains('10.0.0.3', '10.0.0.10', '10.0.0.25') //true
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