codegay

python3代码。思路是把ip地址转成一个10进制的自然数，然后range范围。再把数字转成IP地址。
IP地址转换成数字的部分参考了 https://blog.csdn.net/zhihaoma/article/details/51841169 等相关文章。

# -*- coding: utf-8 -*-
"""
Created on Fri Apr 27 01:45:55 2018
@author: codegay
python3 & 编辑器 == spyder
"""


# 把IP地址转换为一个自然数
def IPToN(ipaddr, sep='.'):
    ip = [int(i) for i in ipaddr.split(sep)]
    result = ip[0]*256**3 + ip[1]*256**2 + ip[2]*256 + ip[3]
    return result


# 把一个自然数转换成IP
def NToIP(natural, sep='.'):
    ip = int(natural)
    result = [ip >> 24, (ip & 0x00FF0000) >> 16, (ip & 0x0000FF00) >> 8, ip & 0x000000FF]
    result = sep.join(map(str, result))
    return result


def iprange(start, end, newline=''):
    result = [NToIP(n)+newline for n in range(IPToN(start), IPToN(end)+1)]
    return result

print(IPToN("58.217.200.112"))
print(IPToN("10.0.3.193"))

print(NToIP(987351152))

print(iprange("192.168.1.1", "192.168.1.255"))

with open("ip.txt") as f:
    lines = [r.rstrip().split(" ") for r in f.readlines()]
    for line in lines:
        with open("result.txt", "w+") as rf:
            rf.writelines(iprange(line[0], line[1], newline='\r\n'))
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