本文实例讲述了python实现根据ip地址和子网掩码算出网段的方法。分享给大家供大家参考。具体如下：
该代码在linux环境2.6.6python版本测试通过！
#!/usr/bin/env python
#_*_encoding:utf-8_*_
#input your ip address and netmask to figure out your network .
#申明：此脚本为交互式，默认情况下请执行python network.py
from ipy import ip
input_ip = raw_input(‘请输入ip地址:’)
list1 = input_ip.split(‘.’)
if len(list1) != 4:
print “您输入的ip地址不合法，请重新输入！”
exit()
for i in list1:
if i.isdigit() == true and int(i) >=0 and int(i) =0 and int(i)