CIDRMask in Go

Posted by GoDoc
Public (Editable by Users)

CIDRMask returns an IPMask consisting of `ones' 1 bits followed by 0s up to a total length of `bits' bits. For a mask of this form, CIDRMask is the inverse of IPMask.Size.

Go
Edit 
package main

import (
	"fmt"
	"net"
)

func main() {
	// This mask corresponds to a /31 subnet for IPv4.
	fmt.Println(net.CIDRMask(31, 32))

	// This mask corresponds to a /64 subnet for IPv6.
	fmt.Println(net.CIDRMask(64, 128))
}