jerry74

#!/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"

robinsmidsrod

# $1 is a decimal number between 0-255
dec2bin () {
    [ -z "$1" ] && return
    D2B=({0..1}{0..1}{0..1}{0..1}{0..1}{0..1}{0..1}{0..1})
    echo ${D2B[$1]}
}

# $1 is ip address (dotted quad)
# $2 is netmask (dotted quad)
calc_network () {

lumenpink

#!/bin/bash
. /usr/local/knock/library
#Lista de portas na ordem da sequencia
ports=(34 1032 43231 456)
#Porta a Ser desbloqueada
safePort=29
#Comando tshark (wireshark para console)
#customizado para exibir apenas
#ip de origem e porta de destino
tshark -n -l -f "tcp and dst 177.70.2.30 and tcp[tcpflags] & (tcp-syn) != 0 and tcp[tcpflags] & (tcp-ack) = 0" -E separator=":" -Tfields -e ip.src -e tcp.dstport |

jwieder

#
#    Library with various ip manipulation functions
#

# convert ip ranges to CIDR notation
# str range2cidr(ip2dec("192.168.0.15"), ip2dec("192.168.5.115"))
#
# Credit to Chubler_XL for this brilliant function. (see his post below for non GNU awk)
#
function range2cidr(ipStart, ipEnd,  bits, mask, newip) {

shangjiyu

#
#    Library with various ip manipulation functions
#

# convert ip ranges to CIDR notation
# str range2cidr(ip2dec("192.168.0.15"), ip2dec("192.168.5.115"))
#
# Credit to Chubler_XL for this brilliant function. (see his post below for non GNU awk)
#
function range2cidr(ipStart, ipEnd,  bits, mask, newip) {

JavaScript-Packer

function ip2decimal(ip) {
  ip = ip.split(".");
  var e, w = 16777216, x = 65536, y = 256, a = eval(ip[0]), b = eval(ip[1]), c = eval(ip[2]), d = eval(ip[3]);
  e = a * w + b * x + c * y + d;
  return e;
}

function decimal2ip(ip) {
  var w = 16777216, x = 65536, y = 256, e = eval(ip), a = e / w, z = e - (a - e % w / w) * w, b = z / x, q = z - (b - z % x / x) * x, c = q / y, d = q - (c - q % y / y) * y;
  return parseInt(a) + "." + parseInt(b) + "." + parseInt(c) + "." + parseInt(d);

kwilczynski

# Return netmask for a given network and CIDR.
cidr_to_netmask() {
    value=$(( 0xffffffff ^ ((1 << (32 - $1)) - 1) ))
    echo "$(( (value >> 24) & 0xff )).$(( (value >> 16) & 0xff )).$(( (value >> 8) & 0xff )).$(( value & 0xff ))"
}

alessiomangoni13

#!/bin/bash    

############################
##  Methods
############################   
prefix_to_bit_netmask() {
    prefix=$1;
    shift=$(( 32 - prefix ));

    bitmask=""

dllmoe

#!/usr/bin/nodejs

function showHelp(){
    console.log('Usage: ipnum [ip] ...');
}

function convert(ip){
    if(typeof ip !== 'string') return false;
    if(!/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/.test(ip)) return false;

cskeeters

#!/bin/bash

# Calculates network and broadcast based on supplied ip address and netmask

# Usage: broadcast_calc.sh 192.168.0.1 255.255.255.0
# Usage: broadcast_calc.sh 192.168.0.1/24


tonum() {
    if [[ $1 =~ ([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+) ]]; then