Python根据IP地址计算子网掩码位数 Python实现的根据IP地址计算子网掩码位数功能示例

#!/usr/bin/env python
# coding:utf-8
#!/bin/bash
netmask = '255.255.255.0'
result = ""
print netmask
for num in netmask.split('.'):
  temp = str(bin(int(num)))[2:]
  result = result + temp
print len("".join(str(result).split('0')[0:1]))