aachyee

#!/usr/bin/env bash

# Print usage
function usage {
  echo -n "$(basename $0) CIDR...
$(basename $0) [OPTION] CIDR...

This script prints the ip range or full list of ip addresses for one or more CIDR.

 Options:

aachyee

#!/bin/bash

# Function to convert cidr to a mask
cidr2mask () {
    # Number of args to shift, 255..255, first non-255 byte, zeroes
    set -- $(( 5 - (${1} / 8) )) 255 255 255 255 $(( (255 << (8 - (${1} % 8))) & 255 )) 0 0 0
    [ ${1} -gt 1 ] && shift ${1} || shift
    echo ${1-0}.${2-0}.${3-0}.${4-0}
}

aachyee

_cidr2mask()
{
    local i mask=""
    local full_octets=$(($1 / 8))
    local partial_octet=$(($1 % 8))

    for((i = 0; i < 4; i += 1))
    do
        if [ $i -lt $full_octets ]
        then

aachyee

cidr2mask() {
  local i mask=""
  local full_octets=$(($1/8))
  local partial_octet=$(($1%8))

  for ((i=0;i<4;i+=1)); do
    if [ $i -lt $full_octets ]; then
      mask+=255
    elif [ $i -eq $full_octets ]; then
      mask+=$((256 - 2**(8-$partial_octet)))

aachyee

#!/bin/bash

# Customize this
domain="indigobio.com"
ns1="8.8.8.8"
ns2="4.2.2.2"
ndots="2"

usage() {
  echo

aachyee

cidr2mask() {
  local mask=""
  local netaddr=""
  local bcast=""
  local gateway=""
  local full_octets=$(($2/8))
  local partial_octet=$(($2%8))

  ipparts=($(echo $1 | tr "." "\n"))

aachyee

#!/bin/bash
#wget -O- 'http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest' | awk -F\| '/CN\|ipv4/ { printf("%s/%d\n", $4, 32-log($5)/log(2)) }' > /etc/chnroute.txt
netcalc(){

  local IFS='.' ip i
  local -a oct msk

  read -ra oct <<<"$1"
  read -ra msk <<<"$2"

aachyee

// 2018.12.03 Atienza, Chris

// Given a slash specified network (ie: 10.1.1.1/24) returns the low and hi IPs in the defined range
// does not exclude any special reserved addresses
function _cidrToRange(cidr) {
    var range = [2];
    cidr = cidr.split('/');
    var cidr_1 = parseInt(cidr[1])
    range[0] = long2ip((ip2long(cidr[0])) & ((-1 << (32 - cidr_1))));
    start = ip2long(range[0])

aachyee

#!/bin/bash

#Converting decimal to binary
##Source: https://stackoverflow.com/questions/55239476/awk-convert-decimal-to-binary
gawk '
function d2b(d,  b) {
      while(d) {
          b=d%2b
          d=int(d/2)
      }

aachyee

# Template
Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"
$here = Split-Path -Path $MyInvocation.MyCommand.Path -Parent

# ArrayList
$al = New-Object System.Collections.ArrayList

# OrderedDictionary
$od = [ordered]{