c# aspnet 获取外网ip

public void ResponseMyIP() { //ip138首页潜逃的这个负责抓IP的页。第一步先抓取这个html页的全部内容 string url = "http://www.ip138.com/ip2city.asp"; WebClient wc = new WebClient(); wc.Credentials = CredentialCache.DefaultCredentials; Byte[] pageData = wc.DownloadData(url); stri