擅长:python、mysql、java
<p>这似乎正是<a href="https://pythonhosted.org/netaddr/api.html#netaddr.spanning_cidr">netaddr.spanning_cidr</a>的作用。在</p>
<pre><code>$ python
Python 2.7.9rc1 (default, Dec 10 2014, 10:58:16)
[GCC 4.9.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import netaddr
>>> x = netaddr.spanning_cidr(['192.168.0.0', '192.168.2.245', '192.168.255.255'])
>>> print x
192.168.0.0/16
>>> print type(x)
<class 'netaddr.ip.IPNetwork'>
</code></pre>