ip地址转换
<?xml version="1.0" encoding="UTF-8"?>
-<ips>
    -<ip id="0">
         <i>10.150.20.59</i>
         <u>255.255.255.0</u>
         <d>10.150.20.254</d>
        <p>202.99.160.68</p>
        <a> </a>
     </ip>
   -<ip id="1">
         <i>10.150.20.53</i>
         <u>255.255.255.0</u>
         <d>10.150.20.254</d>
         <p>202.99.160.68</p>
        <a> </a>
     </ip>
    -<ip id="2">
           <i>10.150.20.54</i>
          <u>255.255.255.0</u>
          <d>10.150.20.254</d>
          <p>202.99.160.68</p>
         <a> </a>
      </ip>
</ips>


这段代码是设么意思，哪位高手给详细解释一下。
------解决方案--------------------
就是个存储ip地址 具体实现看具体要求