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iprange

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iprange is a library you can use to parse IPv4 addresses from a string in the nmap format.

It takes a string, and returns a list of Min-Max pairs, which can then be expanded and normalized automatically by the package.

Supported Formats

iprange supports the following formats:

  • 10.0.0.1
  • 10.0.0.0/24
  • 10.0.0.*
  • 10.0.0.1-10
  • 10.0.0.1, 10.0.0.5-10, 192.168.1.*, 192.168.10.0/24

Usage

package main

import (
	"log"

	"github.com/malfunkt/iprange"
)

func main() {
	list, err := iprange.ParseList("10.0.0.1, 10.0.0.5-10, 192.168.1.*, 192.168.10.0/24")
	if err != nil {
		log.Printf("error: %s", err)
	}
	log.Printf("%+v", list)

	rng := list.Expand()
	log.Printf("%s", rng)
}

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IPv4 address parser for the nmap format

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