IP.DefaultMask in Go

Posted by GoDoc
Public (Editable by Users)

DefaultMask returns the default IP mask for the IP address ip. Only IPv4 addresses have default masks; DefaultMask returns nil if ip is not a valid IPv4 address.

Go
Edit 
package main

import (
	"fmt"
	"net"
)

func main() {
	ip := net.ParseIP("192.0.2.1")
	fmt.Println(ip.DefaultMask())
}