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| const fs = require('fs')
let list = []
list = ["173.245.48.0/20","103.21.244.0/22","141.101.64.0/18","108.162.192.0/18","190.93.240.0/20","188.114.96.0/20","198.41.128.0/17","162.158.0.0/15","104.16.0.0/13","104.24.0.0/14","172.64.0.0/13"]
let count = 0
let arr1 = []
list.map((v,i)=>{
arr1 = arr1.concat(init(list[i]))
})
let arr2 = []
for(v of arr1) {
arr2.push(v.join('.'))
}
fs.writeFile(`./ips.json`,JSON.stringify(arr2),function(){
console.log("执行完成");
})
function init(ipmask){
let [ip,yanma] = ipmask.split('/')
let morenyanma = new Array()
for(let i = 0;i < 32;i++){
i < yanma ? morenyanma.push("1") : morenyanma.push("0")
}
morenyanma.splice(24,0,",")
morenyanma.splice(16,0,",")
morenyanma.splice(8,0,",")
morenyanma = morenyanma.join('').split(',')
ip = ip.split('.')
ip.map((v,w)=>{
ip[w] = numToHex(v)
})
let arr2 = []
for(let i = 0;i < ip.length;i ++){
arr2.push( parseInt(yu(ip[i],morenyanma[i]),2) )
}
let output = []
for(let i = 0;i < Math.pow(2,32 - yanma)-2;i++){
arr2 = arr2.concat()
digui(arr2,3)
output.push(arr2)
count ++;
console.log("count:",count,"ip:",arr2);
}
return output
}
function yu(a='11111111',b='00000000'){
var arr1 = []
for(let i = 0 ;i < a.length;i++){
arr1.push((a[i] == b[i]) ? a[i] : 0)
}
return arr1.join('')
}
function numToHex(num){
let num1 = (num >>> 0).toString(2)
let len = num1.length
return len < 8 ? `${"0".repeat(8-len)}${num1}` : num1
}
function digui(ip,num){
if(num <= 1) return ip
ip[num] += 1
if(ip[num] >= 256){
ip[num] = 0
digui(ip,num - 1)
}
return ip
}
|